The overall objective of the program was to provide vehicle emission data to be used to establish and predict vehicle emission source data on a metropolitan and nation-wide basis. A laboratory study was conducted on 1966 through 1972 model-year vehicles operating in three U.S. metropolitan areas, Denver, Houston, and Chicago. The three cities study was a part of a larger study involving emission testing in six U.S. cities. Five-hundred and ten vehicles, one-hundred and seventy in each city, were tested to determine exhaust hydrocarbon, carbon monoxide, carbon dioxide and oxides of nitrogen emissions. A subsample of twenty of the 1972 model-year vehicles in the Denver area were also tested for evaporative hydrocarbon losses. Exhaust emission tests were conducted according to the 1975 Federal Test Procedures on vehicles as received.


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    Titel :

    A Study of Emissions from Light Duty Vehicles in Denver, Houston and Chicago, Fiscal Year 1972


    Beteiligte:

    Erscheinungsdatum :

    1973


    Format / Umfang :

    178 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch