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Study of Euro 6d-TEMP emissions - IFPEN for DGEC

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Abstract

The present study evaluates the real-use emissions of Euro 6d-TEMP vehicles. An experimental campaign was carried on 22 vehicles spanning a wide range of segments. For each vehicle, measurements of CO2 emissions, regulated and non-regulated pollutants (PN10, N2O, CH4 and NH3) are carried out under various conditions of use: WLTC certification cycles, compliant and very dynamic RDE tests, climatic conditions from -2 to +35 ° C. The first part aims to compare the environmental impact of gasoline and diesel combustion engines, through a selection of 16 vehicles. These are 8 pairs of gasoline and diesel vehicles comparable two by two : multi-brand, multi-segment (from city car to SUV) and multi-technology (engine: power range, direct and indirect injection - pollution control: with and without particulate filter in gasoline, various technologies of NOx aftertreatment systems in diesel). These are non-new vehicles, taken from the French fleet with kilometers between 22,000 km and 58,000 km. In terms of hybridization, these vehicles are equipped, at most, with a stop-and-start system to cut off the engine during stops. A second part aims to determine the contribution of hybridization. Six vehicles are evaluated: a couple of city cars for the comparaison of gasoline vs. hybrid, a couple of urban SUVs for the comparaison of hybrid vs. plug-in hybrid, and finally a couple of sedans for the comparaison of plug-in hybrid gasoline vs. plug-in hybrid diesel. Finally, beyond the experimental characterization carried out and summarized here, an analysis of the sensitivity of emissions to vehicle utilisation is presented (focus on urban conditions and projection on predefined typical uses).
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Dates and versions

hal-03632915 , version 1 (06-04-2022)

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  • HAL Id : hal-03632915 , version 1

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Philippe Dégeilh, Joseph Kermani, Jules Sery, Pierre Michel. Study of Euro 6d-TEMP emissions - IFPEN for DGEC: Summary report. [Research Report] Ministère de l'Ecologie. 2020. ⟨hal-03632915⟩

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