USE OF VEHICLE FLEET DATA FOR ON-ROAD MOBILE SOURCES EMISSION INVENTORIES

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Cornelia Barker
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1 USE OF VEHICLE FLEET DATA FOR ON-ROAD MOBILE SOURCES EMISSION INVENTORIES Dirección General de Sostenibilidad y Planificación de la Movilidad. Área de Gobierno de Medio Ambiente y Movilidad del Ayuntamiento de Madrid Air Quality workshop 26 th November 2014

2 OUTLINE EMISSIONS BY VEHICLE TYPE SECONDARY EMISSION FACTORS BY VEHICLE TYPE SPECIFIC ANALYSIS FOR PASSENGER CARS WITHIN M30 COMPARISON WITH THE PREVIOUS STUDY CONCLUSIONS

3 Emissions by vehicle type NOx

4 Motorcycles( 1,9%( Mopeds( 0,1%( Taxis( 9,3%( Buses(EMT( 15,8%( NOx$ Buses(no(EMT( 1,9%( Heavy<Duty( Vehicles( 4,1%( Passenger(cars( 60,1%( Light(Commercial( Vehicles( 6,9%(

Buses$EMT$ Vehicles$ Vehicles$ NOx$ 64,8%$ 10,6%$ 6,6%$ 5,5%$ 0,1%$ 0,8%$ 4,1%$ 7,5%$ NO$

5 NOx,%NO%and%NO 2 %emission%distribu3on% 80,0%$ 70,0%$ 60,0%$ 50,0%$ 40,0%$ 30,0%$ 20,0%$ 10,0%$ 0,0%$ Passenger$cars$ Light$Commercial$ HeavyADuty$ Buses$no$EMT$ Mopeds$ Motorcycles$ Taxis$ Buses$EMT$ Vehicles$ Vehicles$ NOx$ 64,8%$ 10,6%$ 6,6%$ 5,5%$ 0,1%$ 0,8%$ 4,1%$ 7,5%$ NO$ 61,2%$ 9,5%$ 8,3%$ 7,0%$ 0,1%$ 1,1%$ 3,1%$ 9,6%$ NO2$ 72,8%$ 13,1%$ 2,7%$ 2,2%$ 0,0%$ 0,1%$ 6,3%$ 2,8%$

6 Secondary emission factors by vehicle type Emission factors by veh-km (with no consideration of occupancy rate) Ratio between passenger cars-taxis-urban buses: Palacio de Cibeles. 26 th November 2014

7 Emission factors by veh-km (with no consideration of occupancy rate) Ratio between passenger cars-taxis-urban buses: Palacio de Cibeles. 26 th November 2014

8 Specific analysis for passenger cars within M-30

9 In Madrid, diesel passenger cars account for 86% of the NOx emissions Within M30, this value rises to the 89% Palacio de Cibeles. 26 th November 2014

10 NOx emissions are driven, basically, by diesel vehicles (89%) NO 2 emissions are even more driven by diesel vehicles (99%) PM emissions are also generated by diesel vehicles (86%) Petrol influence on CO 2 emissions is higher (39%)

13 Comparison with the previous study Mileage distribution

14 Increase of passenger car contribution to NOx and NO 2 emissions in 37% and 24% compared to 2009 For diesel an increase of 46% and 26% while a 7% and 36% decrease for petrol Urban buses (EMT) emission decrease of 33% and 57%

15 Conclusions Concerning NOx emissions in the city: 1. Passenger cars are the main contributor (65%) (80.7% in terms of mileage) 2. Diesel passenger cars corresponds to a 56% of total NOx emissions (55.1% in mileage) 3. Urban buses contribute to a 7.5% while taxis to 4.1% (0.88% & 5.05%, mileage) 4. Secondary emission factors for cars-taxi-emt are: g/km With respect to CO 2 emissions in the city: 1. Passenger cars are also the main contributors (73%) (Diesel: 48%, Petrol: 25%) 2. Urban buses (EMT) emit a 4.1% while taxis emit a 4.3% 3. Emission factors for cars-taxi-emt are: g/km Within M30: 1. The main contributor to NOx emissions is the diesel car (53.5%), followed by bus (17.6%) and taxis (9.3%) 2. Compared to 2009 data, passenger cars contribution has raised (+37%) while urban buses has decreased (-33%) as well as taxis (-4%) Palacio de Cibeles. 26 th November 2014

16 Thank you for your attention! POLIS Air Quality workshop 26 th November 2014

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