Apportionment of air pollution to sources requires knowledge of source emission strengths and/or chemical and physical characteristics. The literature is deficient in data useful for this purpose for heavy-duty motor vehicles, which can be important sources of air pollution in select microenvironments. Emission factors are developed in this study for heavy-duty gasoline trucks using chassis dynamometer simulations of urban driving conditions. The sensitivity of the emissions to such considerations as the characteristics of the speed-time driving schedule, vehicle payload, and chassis configuration are examined. Emissions characterization includes total and individual hydrocarbons, aldehydes, carbon monoxide, oxides of nitrogen, total particulate matter, particulate organics, lead, bromine, chlorine, and the fraction of total particulate less than 2 microns. Preliminary comparisons of emissions obtained using transient engine and transient chassis test procedures are also reported.


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    Title :

    Emission from In-Use Heavy-Duty Gasoline Trucks


    Contributors:
    F. Black (author) / W. Ray (author) / F. King (author) / W. Karches (author) / R. Bradow (author)

    Publication date :

    1984


    Size :

    28 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Emission from In-Use Heavy-Duty Gasoline Trucks

    King, Foy / Black, Frank / Duncan, John et al. | SAE Technical Papers | 1984




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