Fuel economy measurements from portions of Phase I of the Auto/Oil Air Quality Improvement Research Program were analzyed. The follwoing fuel variables were examined: aromatics, olefins, T(90), RVP, and various oxygenates (MTBE, ETBE and ethanol). Two vehicle fleets were tested: twenty 1989 vehicles and fourteen 1983-1985 vehicles. Three measures of fuel economy were analyzed. EPA Fuel Economy used the calculation defined in the Federal Register and is an attempt to correct for changes in fuel properties. Volumetric Fuel Economy is based on a carbon balance calculation and is a measure of the actual volume of gasoline burned. Energy Specific Fuel Economy is a measure of fuel economy based on energy content.


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    Title :

    Fuel composition effects on automotive fuel economy - auto/oil air quality improvement research program


    Additional title:

    Einfluß der Kraftstoffzusammensetzung auf Kraftstoffverbrauch bei Fahrzeugmotoren. Forschungsprogramm zur Verbesserung der Auto/Öl-Luft-Qualität


    Contributors:

    Published in:

    Publication date :

    1993


    Size :

    35 Seiten, 11 Bilder, 9 Tabellen, 16 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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