The California Steam Bus Project demonstrated the potential of low-emission, quiet external combustion engines in public transit service. Work was sponsored by the California State Assembly, with a grant from the Urban Mass Transportation Administration of the U.S. Department of Transportation. Three contractors supplied and installed steam powerplants in urban buses, replacing the original diesel engines. Exhaust emissions were found to be considerably lower than the 1975 California requirements for heavy-duty vehicles. Substantial reductions in sound levels were measured in one of the buses. Powerplants weights can be lower than present diesel engines. Road performance was similar to that with diesel engines, but very high fuel comsumption was experienced with these non-optimized demonstration vehicles. Prospects for future improvements are given, including the outlook for large reductions in fuel consumption and exhaust emissions. (Author)


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    Title :

    The California Steam Bus Project: Technical Evaluation


    Contributors:

    Publication date :

    1973


    Size :

    126 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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