The purpose of this effort was to generate experimental data to support an assessment of the relationship between automobile fuel economy and emission control systems. Tests were made at both the engine and vehicle levels. Detailed investigations were made on cold-start emissions devices, exhaust gas recirculation systems, and air injection reactor systems. Based on the results of engine and modified control strategy were implemented and tested on the vehicle. With the same fuel economy and NOx emissions as the stock vehicle, the modified vehicle reduced HC and CO emissions by about 20 percent. By removing the NOx emissions contraint, the modified vehicle demonstrated about 12 percent better fuel economy than the stock vehicle. (Buehm)


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    Titel :

    Automotive fuel economy and emissions experimental data


    Weitere Titelangaben:

    Experimentelle Daten zur Kraftstoffoekonomie und zur Abgasemission von Kfz


    Beteiligte:
    Dowdy, M.W. (Autor:in) / Baisley, R.L. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1979


    Format / Umfang :

    217 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch




    Automotive Fuel Economy and Emissions Program

    M. W. Dowdy / R. L. Baisley | NTIS | 1978


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    Impact of Diagnostic Inspection on Automotive Fuel Economy and Emissions

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    Ambient temperature and trip length - influence on automotive fuel economy and emissions

    Eccleston,B.H. / Hurn,R.W. / US Dep.of Energy,Bartlesville Energy Res.Cent.,US | Kraftfahrwesen | 1978