Development of emission control systems for a complete line of heavy-truck gasoline engines is presented in this paper. Experience gained in emission control programs for engines used in light-duty vehicles proved beneficial in establishing basic guidelines for heavy-truck program.Various engine modifications, primarily concerned with induction systems and combustion chambers, provided sufficient emission reduction to meet 1969 California and 1970 Federal standards. Secondary air injection into exhaust was not required. Durability tests required for certification indicated the necessity of adhering to recommended service procedures to maintain low emission levels.


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    Title :

    Emission Control for Gasoline-Powered Heavy-Duty Vehicles


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    National Fuels and Lubricants and Transportation Meetings ; 1969



    Publication date :

    1969-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English