YEAR ROUND PREMIUM FUEL ENHANCERS

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1 YEAR ROUND 4+ Premium with BioArmor A comprehensive multi-purpose fuel enhancer that addresses eight critical fuel performance issues to reduce fuel consumption and extend fuel system, engine and diesel particulate filter life. 4+ Premium Canada s #1 Premium Fuel Enhancer Available In 16 oz.. / 32 oz. / 4L / 10L / 20L Bulk Sizes Available - Please Call to Inquire Benefits Include: Improves Fuel Economy up to 18% - verified! Certified Compliant for use in Low Emission Engines & ULSD fuel. Extends Engine life Lubricates Upper Cylinders, Pumps, Injectors & Turbochargers Prevents Valve Stem Gumming in Cold Weather Improvement in Emission, Reduces Smoke Contains Cetane Improver for Better Mileage & Improved Cold Starting Environmentally Friendly Keeps engine & Fuel System Clean Meets & Exceeds Following Tests: Federal Test Procedure (FTP) for fuel economy, the most stringent industry standard. NACE Rust Corrosion Test EMA/TMC Criteria for Lubricity Lubricity - ASTM D6079 Thermal Fuel Stability (ASTM D6468) Storage Stability (ASTM D2274) Water Tolerance (ASTM D1094) Peugeot XUD9 Testing Cummins L10 - IDT Testing SKU: Various BioArmor Diesel Fuel Conditioner BioArmor is a lubricity enhancing and protecting fuel additive. It is made from 100% biodegradable agricultural oils. Primarily a lubricant, BioArmor also protects the consumer s engine from wear by cleaning pistons and valve, and by lubricating pumps, injectors and turbochargers. BioArmor s unique blending recipe also provides other performance benefits Certified Compliant for Use in Low Emission Engines & ULSD Fuel Made from 100% Biodegradable Agricultural Oils Protects Engine from Wear by Cleaning Pistons & Valves Reduces Engine Wear & Expensive Breakdowns Reduces Wear Caused by Low Sulfur Diesel Fuel Cetane Enhancer Provides Cleaner Burning & Easier Starts. Prevents Water Emulsions, Corrosion, & Rust Reduces Fuel Consumption Up to 50% Reduction in Iron Content in Engine Oil Enhances Engine & Fuel System Lubrication +27% SKU: Various This product is blended into our 4+ Premium, 4+ Arctic and Diesel Boost, it is no longer available for individual purchase. Please refer to DSG Diesel Fuel Additives for Every Season & Application Brochure For More Information About These Products

2 YEAR ROUND Diesel Boost All Season Multi-Purpose Diesel Fuel Conditioner and Lubricator Specially Designed for Heavy Trucks Available In - 2L infuse High Performance Diesel Cetane Booster Benefits Include ULSD Compliant More Miles Per Gallon Improved Power & Performance Improved Starting Contains Cetane Maintains Fuel system Cleanliness Clean Injectors, Intake Valves & Upper Cylinders Improved Fuel Lubricity No Fuel Gelling Reduced Emissions & Smoke Reduced Wear on Injection Systems & Engines SKU: DB2L Advanced Formula +9 Points Cetane Increase Dramatic Power & Torque Increase Cleaner Cold Starts Reduced Combustion Noise Cetane Improver controls ignition delay. By boosting the cetane number of your diesel fuel you will see and feel immediate power and emission changes. FEEL the Power SKU: IF12 Available In - 12 oz.. Diesel Kleen Super Strength Cleaner & Anti-gum Additive Diesel Kleen is a super strength cleaner and anti-gum additive that is used to cure problems, often eliminating the necessity for pump and injector repair. Available In - 32 oz.. Bulk Sizes Available - Please Call to Inquire Benefits Include: ULSD Compliant Exceeds L-10 and N-14 standards Rapid & Immediate Cleaning For Stubborn Applications Prevents Gumming Up of Fuel Systems & Rings During Storage Cleans Varnish, Shellac, & Carbon from Injector Tips Improves Injectors Spray Pattern, Increasing Efficiency Improvement in Emissions, Reduces Smoke Improves Fuel Economy, Engine Performance, & Horsepower Environmentally Friendly, Chlorine Free Detergent *Use every 10,000 miles to maintain cleanliness of the entire system* SKU: DKBA604032

3 WINTER FUEL ADDITIVES 4+ Arctic Canada s #1 Premium Winter Fuel Enhancer Available In 16 oz... / 32 oz... / 4L / 10L / 20L Bulk Sizes Available - Please Call to Inquire IMPORTANT Product will solidify in cold weather. This condition will not affect performance. Allow 4+ Arctic to thaw and use as directed. 4+ Arctic with BioArmor All the Benefits of 4+ Premium plus Anti-Gel. Up to 18% Increase in Fuel Economy (Verified) Benefits Include: Certified ULSD Compliant Prevents Fuel Gelling To as Low as -40 degrees Celsius Prevents Valve Stem Gumming in Cold Weather Lubricates Upper Cylinders, Pumps, Injectors & Turbochargers Contains Cetane Improver for Better Mileage & Improved Cold Starting De-ice Component Prevents Water from Condensation Freezing Contains Powerful Lubricity Components & BioArmor Engine Protectant Storage & Thermal Stabilizers Prevent Heavy Fuel Separation Keeps Engine & Fuel System Clean (Cummins L-10 Specifications) Environmentally Friendly, Chlorine Free Detergent Reduces Emissions & Smoke Meets & Exceeds Following Tests: Federal Test Procedure (FTP) for fuel economy, the most stringent industry standard. NACE Rust Corrosion Test EMA/TMC Criteria for Lubricity Lubricity - ASTM D6079 Thermal Fuel Stability (ASTM D6468) Storage Stability (ASTM D2274) Water Tolerance (ASTM D1094) Peugeot XUD9 Testing Cummins L10 - IDT Testing SKU: Various Polar Max Cold Weather Preventative Diesel Fuel Anti-Gel Additive Use Summer Fuel in the Winter and Save!! Benefits Include Up to 6% Increase in Fuel Economy Prevents Fuel Gelling to as Low as -45 Degrees Celsius De-ice Component Prevents Water from Condensation Freezing as Low as -54 Degrees Celsius Contains Powerful Lubricity Components & BioArmor Engine Protectant Contains Corrosion Inhibitors to Protect Fuel Systems Extends Engine Life Keeps Fuel Liquid & Prevents Wax Formation During Shut Down Advanced Water Technology Storage & Thermal Stabilizers **Pay for your additive with fuel economy gain** IMPORTANT Product will solidify in cold weather. This condition will not affect performance. Allow Polar Max to thaw and use as directed. SKU: PM32 Available In - 32 oz... Bulk Sizes Available - Please Call to Inquire Please refer to DSG Diesel Fuel Additives for Every Season & Application Brochure For More Information About These Products

4 WINTER FUEL ADDITIVES Diesel Melt Emergency Anti-Gelling Additive for Gelled Fuel Diesel Melt is an emergency fast acting anti-gelling treatment additive that is recommended for fuel that has already gelled. Benefits Include Certified ULSD Compliant Breaks Down Wax & Ice Allowing Fuel to Flow Again. Reduces Downtime & Inconvenience Gets Vehicle Running Again in Approximately 20 min. After Use Allows Summer Fuel to Be Used In Cold Weather Contains No Methanol or Harmful Alcohols Diesel Melt is not used for preventative maintenance. For preventative maintenance try 4+ Arctic or Polar Max ** Available In - 32 oz... SKU: DM32 Diesel Rescue Emergency Kit Instant Help When Your Fuel is Frozen Kit Contains 2-32oz. bottles of AquaTek 2-32oz. bottles of Diesel Melt AquaTek Disperses Water Accumulations in Fuel & Oil Storage Certified Compliant for Low Emission Engines & ULSD Fuel Keeps Equipment & Storage Tanks Free From Water Accumulations Lowers Risk of Fuel Degradation Inhibits Bacterial Growth That Develops From Water Accumulation Stops Entrained Water in Fuel or Oil From Freezing Provides Added Value For Fuel and Oil Consumers Diesel Melt - Canada s #1 Emergency Treatment Emergency Anti-Gelling Additive for Gelled Fuel Certified Compliant for Low Emission Engines & ULSD Fuel Works Through the System to Breakdown Wax & Allow Fuel to Flow Reduces Downtime & Inconvenience Get Moving Again Approximately 20 Minutes After Use Contains No Methanol or Harmful Alcohols SKU: KITDRESCUE Please refer to DSG Diesel Fuel Additives for Every Season & Application Brochure For More Information About These Products

5 SPECIALTY FUEL ADDITIVES Available In - 32 oz. Bulk Sizes Available - Please Call to Inquire Furnasafe XT-3 Specially formulated by DSG Canada to provide many forms of protection to heating oil furnaces, guarding against dangerous and inconvenient breakdowns and freeze-ups. Benefits Include Stabilizer Component-antioxidants & metal de-activators stabilizes the oil & prevents sludge build up & degradation. Also limits instability caused when different qualities of oil are mixed. Dispersants-continuously cleans the entire system & extends filter & pump life. Cold Flow Improver & Water Control-allows oil to flow in cold temperatures, prevents filter plugging & gelling of oil. Water control component, prevents freezing of free water & reduces chances of microbial growth. Eliminates water & prevents microbial growth in petroleum hydrocarbons such as crude oil, lubricating oil, diesel fuel and heating oil. Antifoaming Agent-allows for better tank fills & less spillage, protecting the environment & keeping your property clean Corrosion Protection & Lubricity Enhancer-these patented products protect pumps & metal parts against corrosion & premature failure & corrosion. Furnasafe XT-3 is an insurance policy that is affordable, reliable and easy to use. The efficiencies gained by clean burning and improved heating alone will pay for the use of Furnasafe XT-3. You also save money on fewer service calls, but more importantly you can relax with the peace of mind that Furnasafe XT-3 works behind the scenes to ensure the safety of you, your family and your property. AquaTek MX-2 Eliminates water & prevents microbial growth in petroleum hydrocarbons such as crude oil, lubricating oil, diesel fuel and heating oil. Benefits Include Certified ULSD Compliant Keeps Equipment & Storage Tanks Free From Water Accumulations Safely Removes Water Accumulated by Condensation Lowers Risk of Fuel Degradation Available In 16 oz. / 4L / 20L Bulk Sizes Available - Please Call to Inquire Inhibits Bacterial Growth Stops Entrained Water in Fuel or Oil from Freezing Provides Added Value for Fuel & Oil Consumers SKU: AT32 Eco-Tek Kills Bacteria and Slime in Fuel on Contact Benefits Include Completely Sanitize Your Entire Fuel Tank Reduces Tank Corrosion Eliminates Slime Mats Reduce Vehicle Injector Plugging & Exhaust Smoke Reduces Fuel In Oil Filter Deposits & Plugging Reduces Vehicle Fuel Tank Deposits & Corrosion SKU: Various Available In - 32 oz. Please refer to DSG Diesel Fuel Additives for Every Season & Application Brochure For More Information About These Products

6 GASOLINE FUEL ADDITIVES 4+ Gas Treatment & Fuel Injector Cleaner Benefits Include Easier starting and smoother running. Cleans and unplugs injectors Maintains fuel system cleanliness Restores lost power and acceleration Prevents rust and corrosion. Protects against intake valve wear. Contains stabilizers to prevent storage degradation. Available In - 12 oz. Bulk Sizes Available - Please Call to Inquire Apex is an affordable multifunctional gasoline treatment that meets with current EPA Top Tier standards. Use APEX in every tankful of fuel to: Improve Fuel Economy Reduce Intake Valve Deposits Keep Fuel Injectors clean Keep your engine running smoothly with maximum power Protect against expensive rust and corrosion Remove fuel system moisture accumulations Prevents fuel line freeze up in cold weather Available In - 16 oz. Bulk Sizes Available - Please Call to Inquire As proven in tests such as BMW 318 Keep Clean and Chrysler tests, APEX works to maintain and enhance performance in Port Fuel Injected engines, while reducing dependency on High Octane gasoline. Please refer to DSG Diesel Fuel Additives for Every Season & Application Brochure For More Information About These Products

7 ADDITIVE PRODUCT SELECTION GUIDE Quick Reference Year Round DIESEL Year Round DIESEL Cold Weather DIESEL PRODUCT DIESEL BOOST Heavy Duty Truck Application 4+ PREMIUM w/ BioArmor - Light Duty Diesel Equipment & Off-Road 4+ ARCTIC w/ BioArmor - Light Duty Diesel Equipment & Off-Road BENEFITS All-purpose, All-season, Eliminates Black Filter Syndrome Extends DPF Life, Extends Engine Life Economical product - Contains: water removal agent, cleaning agent, fuel stabilizer, high cetane improver, lubricity agent, reduces emissions. All-purpose, All-season, Eliminates Black Filter Syndrome Extends DPF Life, Extends Engine Life, Concentrated - Contains: water removal agent, cleaning agent, fuel stabilizer, high cetane improver, lubricity agent, reduces emissions. Contains Anti-gel for Cold Weather, Eliminates Black Filter Syndrome Extends DPF Life, Contains: water removal agent, cleaning agent, fuel stabilizer, high cetane improver, lubricity agent, reduces emissions. Cold Weather DIESEL POLAR MAX Cold Weather Preventative Anti-Gel Changes Summer Fuel to Use in Cold Weather Prevents Fuel Gelling to as low as -45 C Keeps Fuel Liquid & Prevents Wax Formation Advanced Water Technology EMERGENCY Cold Weather DIESEL DIESEL MELT Multi-purpose Emergency cold weather treatment (for already gelled fuel) **Do not use as regular anti-gel** Specialty DIESEL KLEEN w/ BioArmor - Multi-purpose Super strength injection system cleaner. Highly concentrated. Anti-Gum Additive Gasoline 4+ GAS Multi-purpose Two-in-one treatment which contains a high level of storage stabilizers, works best in equipment that is often parked or stored. Gasoline APEX TOP TIER Multi-purpose Affordable multifunctional gasoline treatment that meets with current EPA Top Tier standards. All Products are Registered with the EPA for use in the USA Compliant with ULSD Fuels Safe for use with Diesel Particulate Filters Backed by Comprehensive Warranty

8 TECHNICAL BULLETIN Using New Technology in Diesel Fuel Enhancement to Reduce Input Costs As crude oil and fuel prices continue to soar, many diesel fuel users are recognizing that diesel fuel is no longer a cheap commodity, but an important and costly ingredient of their business operations. In addition, they are beginning to recognize that changes in technology, both to diesel engines, and in the production of diesel fuel, offer the opportunity to enhance the performance of diesel fuel, and in the process reduce fuel consumption and thereby input costs. DSG Canada, a Saskatchewan based company, with deep routes in the diesel power industry are leading the field in this technology. Driven by emission standards, diesel engines have quickly become very complex, precision pieces of machinery, says Percy Hoff, President of DSG Canada. For the same reasons, diesel fuel has also changed dramatically, culminating in the legislated use of Ultra Low Sulphur Diesel (ULSD), last year. Combining DSG s intricate knowledge of diesel engine technology (they have been involved in the diesel engine repair business in two countries since 1975) with chemical engineering, has allowed DSG to develop a unique line of diesel fuel enhancement chemicals which are saving DSG customers millions of dollars in reduced diesel fuel consumption and lower repair bills. Our customers report fuel savings of anywhere from three to eighteen percent, says Chuck Maguire, Ontario sales manager for DSG Canada. In addition one needs to consider improved engine and fuel system life, extended fuel filter life, reduced trip times and less down time. Even at a three percent gain, with today s fuel prices, the return on investment is very short. According to Percy Hoff, the technology is no magic. DSG addresses fuel enhancement in nine critical performance areas including cetane number improvement, detergency, lubricity, thermal stability, storage stability and moisture control. Although diesel fuel leaving the refinery meets all specifications, there are many factors during the handling and storage phases that can quickly erode the quality of your diesel fuel. In addition, although the fuel meets the minimum legislated specifications, it does not mean that there is not any room to improve its performance, according to DSG. The problem we face, says Maguire a long time Petroleum Industry executive who has worked for major oil companies, is that there are many products out there that simply cannot meet claims, or make wild and unsubstantiated performance claims. DSG originally sold diesel fuel additives manufactured by a third party. This was until they discovered how many products were simply not capable of significantly improving the performance of diesel fuel. In fact, says Hoff, We found some that were actually detrimental to diesel engines. On the other hand, Hoff points out that there are a handful of very good fuel additives, including the DSG brands that will significantly improve diesel fuel and engine performance. He points out that the market for such products is currently small, and selling is difficult, as it involves a detailed process of customer education. It is much easier to sell to mass markets, using high visibility and a lot of advertising and promotion. DSG s advantage is their in-depth knowledge of diesel engines. They are able not only to manufacture and blend their own additives, but they can test them on dynamometer mounted engines at their 31,000 square foot facility in Saskatoon. Complex testing equipment allows for the measurement of fuel economy and exhaust gas emissions. While the testing is important, DSG take much pride from true-life customer testimonials. We simply know that when people use our fuel enhancement products, they almost always react with immediate amazement, says Hoff.

9 TECHNICAL BULLETIN How Winter Fuel Enhancers Work Preventing Gelling of Diesel Fuels Pour Point Depressants are chemicals, which can lower the natural fuel Gel (Solidification) Point Temperature of fuels. Today s newer pour point depressants work by changing the attraction of wax crystals in addition to modifying the shape and size of the wax crystals as they form. These additives effectively reduce the rate of crystal formation and allow the other flow modifiers to perform as designed. Flow Improvers Improve Cold Filterability and Lower the Fuel Pour Point Flow improvers change the wax crystal formation by both forming nuclei and arresting growth. Instead of the larger, flat untreated platelets, a formation of small, multi-axial needle crystals are developed by flow improvers. As the temperature of the fuel drops below the cloud point temperature, small wax crystals begin to grow on the nuclei. A flow improver s additive molecules attach to crystal surfaces and block further growth. The resultant outcome is smaller crystals. Due to the presence of additive molecules between crystals, the crystals tend not to adhere to each other. By virtue of their small size and multi-axial needle arrangement, these wax crystals pass more easily through fuel filters. These attributes are essential in the formulation of a Premium Diesel Fuel Additive suitable for winter use. At the proper treat level, a good CFPP additive formulation will provide optimum fuel system protection by modifying the wax forming tendencies of the fuel. This will allow the fuel to perform dependably at ambient temperatures in excess of 12 to 15 F below the cloud point of the fuel. While the fuel will be hazy or cloudy, the equipment will continue to operate satisfactorily with no significant power loss or engine performance change. De-Emulsifier and De-Icer Agents Break Any Fuel/Water Mixtures and Prevent the Water from Freezing These items are most important in North America because of the pipeline transportation of fuel products. Unfortunately, as a result of inadequate housekeeping many of the fuel handling and storage systems (as well as fuel tanks) in the Canada and the U.S. are plagued with excessive water bottoms and abnormal amounts of free water accumulations. Consequently, these additive components are essential if water corrosion (rust) is to be minimized and winter problems are to be avoided when using a premium diesel fuel additive. Unfortunately, although these items are very cost effective, they are quite often not utilized at the required dosage levels to adequately protect the fuels, storage tanks, and delivery systems. While de-emulsifiers additives are available from various suppliers and can be of different chemical make-up, the only effective de-icer additives are glycol ether type chemicals. These additives chemically combine with the water droplets (and dissolved water accumulations), break the surface connection with the fuel, and lower the freeze point temperature in direct relation to the amount of deemulsifier additive and de-icer additive present. DSG s 4+ Arctic and Polar Max products use both of the above technologies to keep your fuel from gelling and freezing. If fuel is already gelled, Diesel Melt should be used.

10 TECHNICAL BULLETIN Ultra Low Sulphur Diesel Fuel (ULSD) What is the relationship between Sulphur and Diesel Fuel? Sulphur is found naturally in diesel fuel. When diesel fuel is burned, sulphur burns in oxygen to form the gaseous dioxide sulphur (IV) oxide, SO2. This is believed to be responsible for a large amount of acid rain, and as a result, Environmentalists and Government Agencies have required refineries to reduce the amount of sulphur in diesel fuel used in diesel engines. To lower the level of sulphur in the fuel, the crude oil may be hydrotreated. This is a refinery process that causes a fraction of crude oil to re-act with hydrogen at high temperature and pressure, in the presence of a catalyst, to improve colour and odor, and reduce sulphur content. Around 1994, in the first stage of sulphur reduction, diesel fuel was required to contain no more than 500 parts per million of sulphur. This was know as LSD (Low Sulphur Diesel). With environmentalists continuing to push for cleaner-burning diesels, and engine and fuel system manufacturers making massive technological strides, we are now at the point of introduction of Ultra Low Sulphur Diesel diesel fuel that contains a miserly 15 parts per million of sulphur. Does Reduced Sulphur Cause Engine Problems? The simplistic answer is no. However, when the crude is hydro-treated, the natural lubricants in the diesel fuel are broken down, and if these are not replaced, severe fuel injection system and even engine problems can occur. Suppliers of diesel fuel are required to ensure that ASTM D975 standards for lubricity of diesel fuel are adhered to. Although this is generally the case, many conditions in the field can lead to the lubricity level of the fuel dropping below this minimum standard, resulting in many smart operators using lubricity improvers to protect against this eventuality. What about the use of Fuel Additives? Fuel additives can be used not only to protect against low lubricity situations, but also to prevent premature gumming, to reduce premature oil thickening, to improve engine performance and to control moisture in diesel fuel. To enhance lubricity, synthetic or natural lubricity enhancers can be used. Natural lubricity enhancers are commonly produced from canola, mustard or other vegetable oils. In tests at the University of Saskatchewan conducted on behalf of DSG Canada, enhanced lubricity performance was achieved by using a combination of vegetable oils (methyl esther) and synthetic lubricity improvers. Do Additives Need to be Certified for use in ULSD? Yes, when additives are used, by law they must not increase the sulphur level in the ULSD. Most reputable additive manufacturers have had their products tested to ensure that this does not occur. Check the labels on additives to make sure that they do not violate emission regulations. Can Additives be used in engines with particulate traps? Again, it depends on the product. Reputable additives and those that are labeled as safe for use in vehicles with particulate traps or filters will not harm the engine. In fact, the correct kind of additive will actually improve the filter life by reducing soot accumulations. Where can I get more detailed information? The Canadian Petroleum Products institute offers more information on this subject, and a very good publication on the subject can be found at this website Q&A_e.pdf

11 TECHNICAL BULLETIN Premium Fuel Enhancer Definitions Lubricants 4+ contains both Biodiesel and synthetic lubricants to enhance the lubricity values of today s Ultra Low Sulphur Diesel fuels. Lubricants help prolong system life by keeping the internal moving parts moving freely, therefore not wearing as quickly, which will lead to longer system life and possibly better fuel economy. Provides wear protection. Detergents Help to keep the fuel injection system and valve train area clean. Helps prevent carbon deposits that may build up on the internal injection system parts of the injection pump and injectors. Carbon build up can cause an injector to stick resulting in poor performance, excessive smoke, poor starting and decreased fuel economy. Detergents also help keep carbon and soot from building up in the valves, valve seals, piston rings which can prevent premature engine component failure. Stabilizers There are two different kinds of fuel stabilizers, Storage and Thermal. Storage stabilizers help keep the fuel fresh. This would come into play if equipment and or fuel may be stored for any period of time longer than 1 month (e.g. farm and construction equipment being stored over winter, farm fuel or bulk storage tank fuel). Thermal stabilizers help keep the fuel from degrading from the constant temperature fluctuations that the fuel is exposed to when the equipment is running. The fuel is heated as it is pumped to the injectors, but not all the fuel is burned and the excess fuel gets returned to the fuel tank. This heated fuel then actually gums up and will shorten filter life and injection system life. Thermal Stabilizers Provides consistent fuel combustion Improves fuel economy Reduces exhaust emissions Improves pulling power Extends engine life Storage Stabilizers & Antioxidants Prevents fuel separation Impedes the growth of bacteria Impedes Asphaltene conglomeration Improves mileage & performance Improves pulling power Water Control Water can be very dangerous to a fuel injection system. Water is present virtually all the time in diesel fuel. This is because condensation happens continually so there is always water. Our water control additive demulsifies water so that it is separate from the fuel and the equipment s fuel filter / water separator will remove the water preventing it from going through the injection system. This does make filtration very critical. Also, if you control water in fuel, there is smaller chance that algae / micro organisms will not start to grow in the fuel. Rust & Corrosion Inhibitors Works in conjunction with water control products. This would be more for when equipment is in storage or not used on a daily basis. Rust pits may start to develop on internal parts, causing the parts to wear prematurely. Prevents rust formation Retards corrosion of fuel system parts Keeps pump & injectors operating efficiently Reduce repair costs to fuel systems Cetane Improvers The Cetane number in diesel fuel is comparable to the Octane number in gasoline. Although they are totally different components with regard to how the fuels burns. Cetane improves the fuels burn ability. This will help improve fuel economy, provide quicker and more responsive cold starts and improved power. ** The higher the cetane number, the better the burn. Provides easier starting Smoother running Reduces white exhaust smoke when cold Improves fuel economy Less shock loads & peak pressures in cylinder Lower emissions through efficient combustion Shortened ignition delay Easier cold starts Less white smoke Better warm up Reduced misfires

12 TECHNICAL BULLETIN CHOICE OF AFTERMARKET DIESEL FUEL ADDITIVES DSG Canada is committed to supplying the diesel aftermarket with high grade products which not only improve diesel engine performance, but which are also safe for diesel use in diesel engines. As most people in the industry know, there are thousands of aftermarket fuel additives available in the market place, many of which offer performance claims that are too good to be true, or cannot be substantiated. Some may even contain compounds which are harmful to diesel engines and new particulate trapping devices. With the recent focus on exhaust emission reduction, additives which contain metals are being offered with claims of emission reduction. Black smoke emissions can be reduced through the addition of certain organometallic compounds that act as catalysts [Howard 1980]. Barium organometallics were used occasionally as smoke suppressants in the USA during the 1960s. They were later banned by the EPA, because of the potential health hazard of barium emissions. Other metals can be also used as smoke suppressants, including calcium, iron, cerium, or platinum. While they can be effective at reducing soot emissions, these additives can lead to significant deposits in the combustion chamber and have long term impacts on engine performance. [Jääskeläinen 2008] There are currently no studies that we are aware of which show the impact of these combustion chamber deposits on engine life. Studies also indicate that 85-95% of the additive is exhausted from the engine and therefore contributes to total PM (mass and number). [Jääskeläinen 2008] Increasing PM output can lead to premature plugging of diesel particulate filters (DPFs). We therefore recommend extreme caution when selecting an aftermarket diesel fuel additive, and suggest that you use only those products which meet industry standards such as ASTM, Cummins L-10 and N-14, NACE, EMA, TMC and NCWM. It is also advisable to ask suppliers to provide a guarantee against engine or particulate filter damage.

13 DSG S NEW FORMULA Concentrated Product Strategy A common strategy in the fuel additive market is to provide a low price point package. This is achieved either by diluting active ingredients with solvents, or by addressing fewer fuel performance categories. A quick check will show you that most products address lubricity and fuel gelling, with perhaps detergency as almost an after-thought. By choosing a concentrated formula strategy, DSG allows you save in three critical areas: transportation, storage and lower net costs. This allows you to transport and warehouse up to four times less product in order to treat equivalent volumes of fuel. Our goal is to provide excellent value in the fuel enhancement market, and our re-engineered formula that is both concentrated and multifunctional provides unrivalled value. Our multifunctional products, for example, now cater to ten fuel performance categories for an average cost of around 1.3 cents per litre at retail. This is the lowest available treatment cost on the market for any product that treats eight or more performance factors. DPF X-Tend 4+ Premium, 4+ Arctic and Diesel Boost are now formulated with a new component to reduce soot deposits in Diesel Particulate Filters (DPFs). This is a major breakthrough that benefits operators of equipment with DPFs, because of the extremely high cost of replacing these filters. This feature represents a powerful benefit to reduce costs. DSG is first to market with this solution. Black-Filter Eliminator Many Original Equipment Manufacturers have discovered a phenomenon known as Black Filter Syndrome. This phenomenon commonly occurs when Ultra Low Sulphur Diesel fuel (ULSD) is used in modern engines with common-rail and electronic unit injection systems. The combination of ULSD and the heat generated by the high pressure injection systems causes the fuel to cook in the injection system. Because of the high volume of fuel which is returned to the tank to cool the fuel system, the carbon deposits are quickly trapped in fuel filters. As the fuel filters become restricted, the operator will use more throttle to maintain power, which results in increased fuel consumption. In addition, filter life is shortened. 4+ Premium, 4+ Arctic and Diesel Boost now contain a component which prevents Black-Filter Syndrome. Fuel Filter after clean-up run with DSG s new formula. Fuel Filter when run with standard ULSD Fuel. DSG s new formula contains EcoClean HPF1 Antifoulant.

14 BLACK FILTER SYNDROME The Silent Fuel Economy Killer Fleet tests reveal source of wasted diesel fuel During the latter part of 2008, DSG conducted engine performance tests to check the effects of the use of ultra low sulphur diesel fuel with the latest high pressure Common Rail (CR) and Electronic Unit Injectors (EUI) injection systems. The tests were done in response to customer complaints of premature fuel filter plugging. Operators had reported a gradual drop off in engine performance and fuel mileage that seemed to be associated with short fuel filter life. DSG s Trial Results After several weeks of operation, diesel fuel filters would gradually turn black. Flow tests revealed that the flow through the filters was reduced at the same time. Technicians called this Black Filter Syndrome, and further research indicated that several engine and equipment manufacturers had become aware of this issue. Technicians deduced that this may be caused by conditions within the fuel system. Dismantling of the high pressure injectors indicated moderate to severe carbon deposits on internal injector parts and fuel passages within a relatively short operating period. These deposits would then find their way to the fuel filters via the return fuel which is used to cool the fuel system. Declining Fuel Economy and Increased Maintenance Costs Apparent symptoms of Black Filter Syndrome are premature filter plugging, fuel system performance deterioration and declining fuel economy. Fuel filters are expensive, but more importantly, plugged filters and under-performing fuel injection systems will result in the operator having to increase throttle position to retain power. Increased throttle position results in increased fuel consumption. In addition, excessive carbon and soot will adversely affect Diesel Particulate Filters which can be very costly. The DSG Solution In keeping with its mission to provide its customers with high quality diesel engine solutions, DSG is first to market with a unique bio-synthetic detergent-based fuel enhancer that prevents Black Filter Syndrome, eliminates fuel injector deterioration, saves filters and reduces operating costs. 4+ Premium by DSG is a well known best seller in the Diesel aftermarket, and it has now been upgraded to deal with the Black Filter condition. It is designed for on and off-road applications and comes as a concentrated solution, without excess filler. 4+ Premium and 4+ Arctic can be found at Bulk Fuel Distributors, Farm Supply Stores such as UFA and Co-op Stores and many parts outlets and Dealerships. Diesel Boost by DSG is a similar product with a specific formula that suits truck engines, and also contains an anti-gel, so that one product can be used year-round. Diesel Boost is a recent addition to the product line and will be found mainly in Truck Stops and Truck Parts stores. Brand New Filter is seen on the far right of picture. The next filter (second on far right) has been contaminated by Black Filter Syndrome after only 1 week. The continued use of DSG s new formula will clean-up the Black Filter contamination resulting in prolonged filter life and therefore critical engine protection. Complete elimination of Black Filter Syndrome as illustrated in the photograph took only 5 weeks. DSG s new formula contains EcoClean HPF1 Antifoulant.

15 POINT OF PURCHASE DISPLAY Point of Purchase Display Stand Features Made from injection molded styrene plastic. Extremely durable and lightweight (when empty) for movability. Dimensions - 18 x 15 4 Trays for products Colour - Black Attractive branding logo and signage. Label with product names and features. Benefits The display stand provides your staff a trouble-free solution and customers a consistent, recognizable location to find their Premium Fuel Enhancers. Attracts Attention Holds all DSG Performance Enhancers Utilizes vertical display space Easily Recognizable Provides Product Information Please Call For Pricing SKU: DSCDISPLAY

16 DIESEL ENGINE & FUEL SYSTEM MAINTENANCE DIESEL FLUSH SYSTEM DSF 700 DIESEL FUEL SYSTEM FLUSH UNIT Why should you flush the fuel system? The fuel injection system controls the performance of the engine in many ways; therefore its constant maintenance cannot be overemphasized. An inefficient and poor running engine is often caused by a contaminated fuel system. How do you start? Our goal is to prevent the engine s vulnerability to contamination by encouraging a system of planned preventative maintenance. A complete flush will clean and lubricate the vehicle s entire diesel fuel system safely and efficiently without mechanical strip down. Why should you invest in the DSF 700? Selling this service to your existing and new customers is easy! The benefits of the system flush are restored power, better fuel economy, lower repair costs for the pumps and injectors plus lubricates the pump improves power improves fuel economy removes piston deposits restores performance reduces smoking and excessive knocking cleans throughout combustion chamber cleans injectors cleans the pump cleans intake valve deposits improves cold start reduces emissions Profits: The opportunity to generate revenue for the service department while offering your customers a service that actually gives them great benefits. The DSF 700 is the answer if you are concerned about monitoring additive use. Simply schedule a flush as part of routine maintenance. This is how the Alberta Motor Association saved thousands of dollars on their tow truck fleet. Alberta Motor Association, Calgary, Alberta The Alberta Motor Association has been utilizing the products and services of Diesel Services Group (DSG) since December There have been many satisfying transactions. We find the service and the technical knowledge to be of a very high standard. Any situations or malfunctions have been quickly and properly remedied. We introduced regular injector flushing, utilizing the DSG machine 18 months ago and are quite pleased with the results. In the past; we would experience a decline in performance and idle quality around 250,000 km on many of our 7.3L Ford Powerstroke engines. Since the introduction of our new maintenance program regarding injectors, we are seeing our engines reaching 300,00 km without any deterioration of performance or idle quality. Even the smoke on regular start up has seemed to diminish. Having a fleet of 69 trucks at present, we are very interested in getting the most out of our units with the least amount of cost and down time. Our business alliance, coupled with the technical expertise of DSG has enabled us to minimize our lost time and lower our expenses. I would not hesitate to, (and have many times in the past) recommend the Diesel Services Group to anyone looking for a knowledgeable, dependable and affordable company to provide them with the products and services necessary to maintain and repair the diesel engines of today. Sheldon Dancer, Fleet Service Coordinator

17 DIESEL ENGINE & FUEL SYSTEM MAINTENANCE DIESEL FUEL SYSTEM FLUSH WHY SHOULD YOU FLUSH THE FUEL SYSTEM? The fuel injection system controls the performance of the engine in many ways; therefore its constant maintenance cannot be overemphasized. An inefficient and poor running engine is often caused by a contaminated fuel system. HOW DO YOU START? Our goal is to prevent the engine s vulnerability to contamination by encouraging a system of planned preventative maintenance. A complete flush will clean and lubricate the vehicle s entire diesel fuel system safely and efficiently without mechanical strip down. PREVENT ENGINE VULNERABILITY IMPROVE FUEL ECONOMY INCREASE POWER & PERFORMANCE TESTIMONIAL Alberta Motor Association, Calgary, Alberta The Alberta Motor Association has been utilizing the products and services of Diesel Services Group (DSG) since December There have been many satisfying transactions. We find the service and the technical knowledge to be of a very high standard. Any situations or malfunctions have been quickly and properly remedied. We introduced regular injector flushing, utilizing the DSG machine 18 months ago and are quite pleased with the results. In the past; we would experience a decline in performance and idle quality around 250,000 km on many of our 7.3L Ford Powerstroke engines. Since the introduction of our new maintenance program regarding injectors, we are seeing our engines reaching 300,00 km without any deterioration of performance or idle quality. Even the smoke on regular start up has seemed to diminish. Having a fleet of 69 trucks at present, we are very interested in getting the most out of our units with the least amount of cost and down time. Our business alliance, coupled with the technical expertise of DSG has enabled us to minimize our lost time and lower our expenses. I would not hesitate to, (and have many times in the past) recommend the Diesel Services Group to anyone looking for a knowledgeable, dependable and affordable company to provide them with the products and services necessary to maintain and repair the diesel engines of today. Sheldon Dancer, Fleet Service Coordinator

18 DIESEL ENGINE & FUEL SYSTEM MAINTENANCE DIESEL FUEL SYSTEM FLUSH Why should you flush the fuel system? To properly understand the need for Fuel System and Engine maintenance, we must first understand how the Diesel Engine performs. For the engine to perform properly and efficiently, several components and processes must interact at the proper time. The most important ones are: Clean Fuel Clean Air Heat Combustion Unrestricted Exhaust Air enters the cylinders through the intake valves, and when compressed, results in heat being generated. Fuel is injected through the injectors with precise timing and is ignited by heat and compression. The exhaust valves open and exhaust exits the chambers. This process takes a fraction of a second. If one or more of these components does not function at 100%, then we could have poor starting, heavy black, blue or white smoke, or a lack of power. A catastrophic failure of the engine can result in extreme cases. What happens when contamination occurs? The fuel system, when contaminated, builds up a varnish on all metal components (i.e.: plungers and barrels in injection pump or needles and seats in the injectors) resulting in poor atomization and fuel delivery. The combustion chambers, pistons and valves develop carbon deposits that restrict airflow and hamper proper combustion. These conditions can cause sooting in the exhaust system, which causes exhaust restrictions. This can also seize the piston rings, which can allow combustion into the crankcase resulting in the potential for cylinder scoring and oil consumption. When these conditions occur, the components will normally require disassembly for cleaning or replacement. This is very costly and time consuming. As the power train components wear, the fuel timing can be affected. Proper pump timing can improve performance, emissions, and the longevity of the engine. Improper timing can do the opposite; not only reducing performance but also causing buildup of carbon and soot in engine components. How does the Diesel Dialysis Machine work? With the introduction of the Diesel Dialysis Machine, removal of harmful deposits can be done without removing any components or causing lengthy down time. The engine is connected to the Diesel Dialysis Machine and runs on the dialysis fluid, which cleans the fuel system as well as the combustion chambers. This dialysis process removes the varnish and carbon deposits, freeing sticking components, and lubricating the fuel system. When the system is cleaned properly, the engine can start better, run smoother, and reduce exhaust smoke. In some cases the engine may have to be flushed more than once, while in other extreme cases, or when damage may have already occurred, disassembly of the engine or components for repair or replacement will still be required. Putting the engine on a maintenance routine with periodic flushing approximately every 80,000 kms or 5000 hrs. the engine will perform more efficiently and show a reduction in exhaust emissions. Dirt and water can contaminate the fuel system and cause severe damage in a very short period of time. To keep the system clean and free of contamination, proper filter changes are required. The use of low micron water separator filters, such as Racor or Stanadyne Fuel Manager, are also recommended to keep the system free of water and dirt. The regular use of 4+ Premium Diesel Fuel Enhancer can greatly reduce fuel system wear and help keep contamination out of the system. The engine oil can also become contaminated from any of these conditions. Proper oil change intervals, along with crankcase flushing, can reduce costly repairs. This is more prevalent in engines that have an Exhaust Gas Recirculation (EGR) system, as the exhaust is recirculated back into the engine for further burning. This can cause excessive carbon build up in the combustion chambers, resulting in many of the above symptoms. As you can see, all of the engine and fuel system components are closely linked and all must work in unison to have a properly performing, long lasting engine. When one component is not functioning properly, this can greatly affect the entire system. Maintaining just one component while ignoring others can be detrimental to engine life. These pictures clearly show the effects of carbon buildup which will reduce engine efficiency and reduce fuel economy. A periodic EGR Flush will eliminate this issue.

19 TESTIMONIALS ABOUT OUR We produce and sell a unique line of premium fuel enhancers that work! We believe in them and know how good they are. We defend their quality by providing a guarantee. We don t want you to take our word for it, find out what others think and try them yourself. Please read the following testimonials about our fuel enhancers and hear it first hand. TESTIMONIALS ABOUT OUR PRODUCTS Don t Take Our Word For It, Read What Others Have To Say

20 TESTIMONIALS ABOUT OUR Several months ago Jim Sheets of Glover International in Red Deer introduced us to the features and benefits of DSG fuel treatment. We are open to products that are developed for preventative maintenance and cost savings, as long as they meet industry standards and do not conflict with warranties. After review of the DSG product line, technical data and current test results I determined to select several units for monitoring on DSG product. We followed the suggested application of first applying DSG Diesel Kleen on the first fill of fuel, to clean up the fuel system, then continuing with 4+ Arctic. Most of the trucks we selected were front load units equipped with the new International 530 engine. As fuel monitoring is difficult for our varying work environment we needed to rely on feedback from the operators. Operators have been telling us their trucks run smoother, have more power and appear to have better fuel performance. I am pleased with these results. Now that summer is here we have moved to DSG 4+ Premium (without anti-gel) and will continue to use DSG fuel treatment. Thank you. Jamie Carroll Maintenance Supervisor Waste Services (CA) Inc th STREET RED DEER, AB T4P 1A1 PHONE: (403) FAX: (403) TOLL FREE: I have seen a 12% improvement in fuel mileage since I started using DSG 4+ Premium. I dosed my first tank with DSG Diesel Kleen and all subsequent fills with 4+ Premium. Not only have I seen a substantial gain in fuel economy, I also noticed a remarkable improvement in power. I have tried other additives in the past but none have provided me with these positive results. DSG 4+ Premium has proven itself to me and I wouldn t hesitate to recommend it to any trucker. Julien Davis Independent Owner/Operator ERB Transport Rick Kohut, Oyen Alberta You offer an excellent fuel conditioner. It saved me downtime and thousands of dollars on a tune-up for my V-12 payloader. Thank You!

21 TESTIMONIALS ABOUT OUR What Other People Have To Say About Our Products D.A.R.E. Transport, Corbyville, Ontario Since I started using 4+ Premium, I have solved my replacement issues with Cummins EGR valves and the blue smoke I had on start up with my Detroit units has disappeared. Denzil Raistrick Prairie Spirit School Division, Saskatoon, Saskatchewan The Prairie Spirit School Division operates one hundred and fifty school buses in the rural area surrounding the city of Saskatoon and we are always looking at ways to cut fuel costs. We believed that by using a BIO Diesel Fuel Additive, we could increase fuel mileages as well as reducing harmful exhaust emissions. Reducing exhaust emissions is something the School Division, as a responsible corporate citizen, is very pleased to be able to help with. The Prairie Spirit School Division began using 4+ Premium in four buses on June 1, These buses were on rural routes which include mostly gravel and some highway driving. We put the additive in at the recommended treat rate. We asked the drivers involved to keep close track of the performance as well as to make sure that the additive was put in the fuel tank as instructed. The driver response was that the buses started better, were more responsive when accelerating and ran smoother. Our technicians took current mileage readings off the ECM on each bus, then starting from zero they took four weekly computer readings off each bus and we found a consistent improvement on each bus of miles per gallon in fuel mileage. This was an improvement ranging from 13% to 18%. This translates into a huge saving in fuel costs over the period of one year. We have become believers in 4+ Premium fuel additives and continue to use it as a fuel economy tool as well as helping to green up the environment. Grant Drever, Conveyance Manager Parcel s Trucking, Stettler, Alberta They began a DSG product test late 2007 to determine fuel savings. 2 X 32 oz. of Diesel Kleen was provided to service 1360L of diesel fuel and clean the fuel system. 3 X 32 oz. of 4+ Premium was provided to treat 6825L of diesel fuel for one month of operation. The DSG product was applied directly to the truck fuel tank(s). We have been noticing very strong mileage increases in our test unit in the neighbourhood of 10 to 15% depending on usage. With that said, I would like to move to using it in all of our trucks. We currently use Howe s in the winter time for improved starting, etc., so we are somewhat thinking that the Arctic version might be the way to go.

22 TESTIMONIALS ABOUT OUR City of Fredericton, New Brunswick Adding a refined vegetable oil fuel conditioner to the diesel burned in three city buses during a three-month pilot project resulted in a 65 per cent reduction in carbon monoxide, a component of Green House Gases, and 20 per cent better fuel economy, the City s Public Safety and Environment Committee heard September 4, The City of Fredericton tested a fuel additive known as 4+ Premium Bio Diesel Additive. If the entire fleet were to use this additive we could reduce our Green House Gas emissions by 2,220 kg per year, said Committee Chair Councilor Tony Whalen. The fuel economy we saw is a lot higher than we expected and translates into a large savings of diesel per year per bus. There are 27 buses in the City fleet. A small improvement in combustion efficiency was also recorded along with the reduction of harmful emissions, better mileage and longer engine life with less maintenance by using the additive. City of Fredericton Fleet Manager Randy Perkins will be making recommendations to Committee members as to the future use of the biofuel additive. Guy Fuels, Winchester, Ontario We use DSG products in our own fleet and we sell DSG products for a variety of reasons, one of which is the concern about increased wear on injectors and fuel pumps caused by ULSD. Chris Guy Marnan Bulk Carriers, Timmins, Ontario We are saving 70 litres of fuel on each round trip from Toronto to Timmins since we started using 4+ Premium in our fuel. Sylvain Simard R. Kadun, Kamloops, British Columbia 2002 Dodge Diesel 4X4 Automatic - 156,000 KMS I pulled out my horse trailer from Kamloops to Calgary on the thanksgiving weekend, I check my fuel economy pulling my trailer empty. The trip takes about 7 hours of driving and is about 660 kms long. On the same trip back home I had about 2,200 pounds extra in the trailer. Ben gave me some Infuse fuel additive and I got the same mileage loaded coming home. I would like to check this again when I use more of the additive.

23 TESTIMONIALS ABOUT OUR K N R Repairs, Winchester, Ontario We have not had to replace one injector on any of our customers farm tractors since we started using the Diesel Kleen product. Kees van Winden MFP Service Ltd., Calgary Alberta MFP Service operates a vacuum clean unit in the Calgary region. The 7.3L Powerstroke diesel has to run at 1,300 RPM for hours to operate the vacuum pump. The use of 4+ Premium has enabled the truck to go an extra 1.5 hour (10%) on the same volume of diesel fuel. Ken Gartner, Grenfell, Saskatchewan I live in rural Saskatchewan and do a lot of driving in conditions and locations, which really put a vehicle s fuel system and efficiency to the test. For more than ten years, I have operated my diesel truck utilizing the Racor fuel filter system and the recommended 4+ Premium fuel enhancer. Diesel Services representatives were consulted and since the installation of the filter kit and the use of 4+ Premium in my truck, I have experienced excellent fuel economy, more power and a cleaner running engine in the entire system. Of course, the maintenance side of things is a must and the Diesel Services people have always provided excellent advice and service. I would certainly recommend their products and their knowledgeable parts and services personnel to first time and previous diesel operators who are looking for a preventative maintenance program for themselves or business fleet. I recently traded my 97 Dodge for a brand new one with the new 6.7L. I just had Diesel Services Group install a new Racor and I picked up some more 4+ Premium.

24 TESTIMONIALS ABOUT OUR Diesel Tech Truck Repair Ltd., Edmonton, Alberta As a diesel mechanic and shop foreman of Diesel Tech Truck Repair Ltd., I come across many different problems with fuel systems in light trucks. The most noticeable problem that we encounter on a regular basis is the injectors. The injectors are either carboned up or stuck; which causes a fuel knock in the engine. I have personally tried many fuel additives to try in diesel engines. I have discovered that most additives do not work. I have used the product 4+ Arctic Fuel Enhancer. It cleans most injector problems; such as stock injectors. I am very pleased with this product and the fact that it contains many important additives for diesel engines along with a written warranty. Kent Krezanoski, Shop Foreman Light Trucks Harland Veinotte Transport, Morrisburg, Ontario DSG works for me. Terry Veinotte. Harry Dykstra, Ottawa, Ontario I don t know how many times you have heard this but It Worked the Diesel Kleen that is. It might still be a bit premature to assume, however, after only 10 minutes of running the truck with the Diesel kleen in the tank it ran a lot better. So I bought a new fuel filter and put about an oz of both Diesel Kleen and your diesel fuel conditioner, 4+ Premium, in the filter then filled it with diesel and took it for about a 5 mile drive both slow and hard driving. When I got back the truck seems to be running normal. Fantastic!! It seems hard to believe since everyone told me that I would need an injection pump at the cost of $3,500 or more plus $600 to $800 to have it removed and reinstalled. I will believe it in the morning when I go to start the truck and it runs normal. I am planning to run some diesel kleen in all the trucks and then for sure run the conditioner forever! Anyway, thanks for your time. Truly elated Harry Dykstra Hanmer Seeds, Govan, Saskatchewan We were having continual problems with sticking racks on our combine pumps. Instead of taking the pumps off for repair we used Diesel Kleen which loosened them up right away. Kent Hanmer We now use 4+ Premium for preventative maintenance and haven t seen the problem again.

25 TESTIMONIALS ABOUT OUR I m a generator mechanic serving with the National Defence in Quebec. We had very cold temperature last week (around -35ºC to -45ºC) for about four days. Since the refuelling of our fuel tank is done anytime during the year, there is a mix of #1 and #2 in the tank, mix that became gelled in the filter. We tried your Diesel Melt stuff, and it worked fine. Surprisingly fine. Name Withheld for Professional Reasons I have used DSG Canada s 4+ additive for over 12 years on my farm equipment, and have never experienced an engine failure since. For the price per litre, it s great insurance! Gordon Heichman Perdue, SK Alberta Motor Association, Calgary, Alberta The Alberta Motor Association has been utilizing the products and services of Diesel Services Group (DSG) since December There have been many satisfying transactions. We find the service and the technical knowledge to be of a very high standard. Any situations or malfunctions have been quickly and properly remedied. We introduced regular injector flushing, utilizing the DSG machine 18 months ago and are quite pleased with the results. In the past; we would experience a decline in performance and idle quality around 250,000 km on many of our 7.3L Ford Powerstroke engines. Since the introduction of our new maintenance program regarding injectors, we are seeing our engines reaching 300,00 km without any deterioration of performance or idle quality. Even the smoke on regular start up has seemed to diminish. Having a fleet of 69 trucks at present, we are very interested in getting the most out of our units with the least amount of cost and down time. Our business alliance, coupled with the technical expertise of DSG has enabled us to minimize our lost time and lower our expenses. I would not hesitate to, (and have many times in the past) recommend the Diesel Services Group to anyone looking for a knowledgeable, dependable and affordable company to provide them with the products and services necessary to maintain and repair the diesel engines of today. Sheldon Dancer Fleet Service Coordinator Harris Racing 2001 Dodge Diesel 4X4-310,00km pulling 32 Race Trailer Harris Racing has been using DSG fuel additives such as Diesel Kleen, 4+ Arctic, 4+ Premium, and InFuse High Performance Cetane Booster in our truck since With regular use of 4+ Arctic in the winter and 4+ Premium in the summer we have noticed many benefits such as easier cold starts, a smoother running engine, and of course increased fuel economy. For those long hauls InFuse High Performance Cetane Booster makes pulling the race trailer that much easier with the added power that it provides. We are very pleased with the performance of DSG Fuel Additives, and we will continue to use them in the future. Ben Harris Douglas, Ontario, Canada

26 The Ultimate Fuel Additive Guarantee Our Commitment to You DSG Power Systems guarantees that the use of their additives will not cause any damage to your equipment. DSG further guarantees that it will pay for damage deemed to be caused by the use of our fuel additives. Ultra Low Sulfur Diesel (ULSD) DSG Power Systems guarantees that all of our fuel additives are safe for use with Ultra Low Sulfur Diesel fuel and do not in any way contravene government regulations pertaining to the use of ULSD. Our additives meet and exceed current Canadian regulations and standards. Our fuel additives are registered with United States Environmental Protection Agency for use in the United States. DSG Additives meet or exceed many Industry Standards, including ASTM, Cummins, NACE, EMA and Peugot XUD9 Test Standards and we guarantee their performance when used in accordance with DSG Power Systems recommendations and with the manufacturer s performance specifications. This guarantee is in addition to any and all original equipment manufacturer s (OEM) warranties and does not invalidate them. Diesel Particulate Filters (DPF) DSG Power Systems guarantees that our line of fuel additives are compliant to the specifications required by today s Diesel Particulate Filters, and will not harm or adversely affect the performance of Diesel Particulate Filters installed by original equipment manufacturers. New Generation (Tier 2 and Tier 3) Diesel Engines DSG guarantees that its additives will not mechanically harm or impede the performance of new generation Tier 2 and Tier 3 Diesel Engines. FUEL SCIENCE DSG Power Systems is 100% committed to you. We stand behind our products - ALWAYS! ENGINES GENERATORS FUEL SCIENCE PARTS & SERVICE September 2009