DG ENTR, 08 September 2011, Brussels, EC Pierre Bonnel Alessandro Marotta Martin Weiss Joint Research Centre (JRC) IES - Institute for Energy and Transport.

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Presentation transcript:

DG ENTR, 08 September 2011, Brussels, EC Pierre Bonnel Alessandro Marotta Martin Weiss Joint Research Centre (JRC) IES - Institute for Energy and Transport Ispra – Italy Preliminary laboratory tests on the temperature dependency of NO X emissions

JRC Place on dd Month YYYY – Event Name 2 DG ENTR, 08 September 2011, Brussels, EC Test fleet Number of tests 15 °C22 °C25 °C28 °C Vehicle 1: M1 Gasoline (1200 cm 3 ) Euro 4222 Vehicle 2: M1 FlexFuel - DI (2000 cm 3 ) Euro 5A35 Vehicle 3: M1 Gasoline (1368 cm 3 ) Euro 5A6444 Vehicle 4: M1 Diesel (1248 cm 3 ) Euro 5A232 Vehicle 5: N1 Diesel (2179 cm 3 ) Euro 3222

JRC Place on dd Month YYYY – Event Name 3 DG ENTR, 08 September 2011, Brussels, EC NO X emissions: Percentage of NEDC (22 o C) emission levels Overview results

JRC Place on dd Month YYYY – Event Name 4 DG ENTR, 08 September 2011, Brussels, EC NO X emissions: Percentage of emissions limit Overview results

JRC Place on dd Month YYYY – Event Name 5 DG ENTR, 08 September 2011, Brussels, EC NO X emissions Overview results

JRC Place on dd Month YYYY – Event Name 6 DG ENTR, 08 September 2011, Brussels, EC NO X emissions: Diesel vehicle 4 Overview results

JRC Place on dd Month YYYY – Event Name 7 DG ENTR, 08 September 2011, Brussels, EC Findings may indicate elevated NO X emissions at low temperatures NO X emissions scatter over a wide value range EGR strategy (diesel) and the heating strategy for the 3-way catalyst (otto) is to some extent vehicle specific Preliminary findings need to be substantiated by more vehicle tests Still: Temperature is an important parameter that alters the emissions behaviour of vehicles and should, thus, be addressed by the RDE- LDV procedure Conclusions

JRC Place on dd Month YYYY – Event Name 8 DG ENTR, 08 September 2011, Brussels, EC Thank you! Joint Research Centre (JRC) IES - Institute for Energy and Transport Ispra – Italy Pierre Bonnel Alessandro Marotta Martin Weiss