This report summarizes a test program which was designed to explore the impact on exhaust emissions and fuel economy of coupling the dynamometer rollers (front and rear) and of using acceleration rates higher than those used on the Federal Test Procedure (FTP). A total of six vehicles were tested in this program. All five gasoline-fueled exhibited increases in hydrocarbons (HC) and carbon monoxide (CO) emissions on the Federal Test Procedure (FTP) driving cycle when the dynamometer rollers were coupled. The other results are strongly vehicle dependent.


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    Title :

    The Effects of Acceleration Rate on Vehicle Exhaust Emissions and Fuel Economy


    Contributors:

    Publication date :

    1982


    Size :

    141 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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