In recent years, several investigators have characterized and measured hydrocarbon components, including benzene, in vehicle exhaust. This paper presents an analysis of benzene exhaust emission data reported from approximately 100 light-duty vehicles. Results indicate that on average, benzene exhaust emissions from catalyst-equipped vehicles are significantly less than those from non-catalyst vehicles. In addition, benzene exhaust emissions from 3-way catalyst vehicles appear to be significantly less than those from oxidation catalyst vehicles, on average. These observations parallel analogous average reductions in total hydrocarbons, indicating that modern catalyst-based exhaust emission controls reduce benzene emissions to approximately the same degree as they reduce total hydrocarbons. Also, benzene evaporative emissions from 3-way catalyst vehicles appear to be substantially less than those from oxidation catalyst vehicles. Finally, a benzene refueling emission rate was calculated. Its contribution to total benzene emissions appears to be very small.


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    Titel :

    Analysis of Benzene Emissions from Vehicles and Vehicle Refueling


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1984 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1984



    Erscheinungsdatum :

    01.10.1984




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Analysis of benzene emissions from vehicles and vehicle refueling

    Raley,D.L. / McCallum,P.W. / Shadis,W.J. et al. | Kraftfahrwesen | 1984


    Factors Influencing Benzene Emissions from Passenger Car Refueling

    Laing,P.M. / US Environmental Protection Agency,US | Kraftfahrwesen | 1986




    An Experimental Study of Vehicle Refueling Emissions

    Hochhauser, Albert M. / Campion, Raymond J. | SAE Technical Papers | 1976