Latest development of engines and emission control devices in passenger cars to bring them in compliance with the last amendments of European directives for exhaust emissions (EU3 and EU4) has apparently improved also their performance with regard to cold-start related emissions, even if the targeted test procedure to specifically measure and control these emissions was included in the type approval requirements of new types as late as year 2002. However, as the test results presented in this paper demonstrate, cold-start performance has been gradually improved, and emission rates measured at low ambient temperatures (-7 deg C) have declined. However, the negative effect of cold environment with regard to fuel consumption and CO2 emissions has not much diminished. According the results, elevated emission levels at cold-start are also mostly associated with petrol-fuelled cars, as much lower levels were recorded for those with diesel engines.


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    Title :

    Cold-start emissions and excess fuel consumption at low ambient temperatures - Assessment of EU2, EU3 and EU4 passenger car performances


    Contributors:


    Publication date :

    2008


    Size :

    10 Seiten, 9 Bilder, 1 Tabelle, 9 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    F2008-09-049 COLD-START EMISSIONS AND EXCESS FUEL CONSUMPTION AT LOW AMBIENT TEMPERATURES - ASSESSMENT OF EU2, EU3 AND EU4 PASSENGER CAR PERFORMANCES

    Laurikko, J. / International Federation of Automobile Engineers' and Technicians' Associations | British Library Conference Proceedings | 2008


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    Excess Emissions and Fuel Consumption of Modern Spark Ignition Passenger Cars at Low Ambient Temperatures

    Bielaczyc, P. / Szczotka, A. / Woodburn, J. et al. | British Library Conference Proceedings | 2012