To demonstrate the potential of a CO\d2-minimized propulsion concept a study of a natural-gas, micro-hybrid powertrain was carried out. The basis was built by experimental investigations of a turbocharged 1.0-l, 3-cylinder engine operated at stoichiometric and lean air/fuel ratio with EGR and an optimized combustion strategy. With the results of this study a still existing model for micro-hybrid vehicles was filled and the CO\d2 emissions for several concepts were calculated. It could be shown that CO\d2 improvements of 30 to 40% for the IC engine and up to 50% for the complete micro-hybrid propulsion system accompanied with better driveability are possible.


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    Title :

    A Downsized, Turbocharged Natural Gas SI Engine - Including Hybridization - For Minimized CO2 Emissions


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    7th International Conference on Engines for Automobile ; 2005



    Publication date :

    2005-09-11




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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