This paper summarizes octane number requirement trends of U.S. cars from 1971 through 1979, a period during which automakers strove to meet increasingly stringent fuel economy and exhaust emissions standards. It is based upon the annual nationwide surveys conducted by the Coordinating Research Council of current model domestic and imported light-duty vehicles sold in the United States. The maximum octane number requirement of the average 1971 model car was about 92 Research octane number (RON). After an initial drop of 3 units in the 1972 model year, average requirements increased throughout the remainder of the nine-year period to a level of 92 RON in 1979. Incidence of car owners reporting objectionable knock on the fuel they were using held at about 5% until 1975 when 10% objected. This number peaked at 20 percent in 1976 and then remained above 10 percent through 1979.


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    Titel :

    Octane Number Requirement Trends of U.S. Passenger Cars, 1971-1979


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1980 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1980



    Erscheinungsdatum :

    01.10.1980




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Octane Number Requirement Trends US Passenger Cars 1971-1979

    Barnard,D.P. / Gorham,M.J. / Rogers,J.D. et al. | Kraftfahrwesen | 1980


    Octane Number Requirement Trends-Passenger Cars In U.S., 1965-1974

    Barnard, D. P. / Rogers, J. D. / Wascher, W. L. | SAE Technical Papers | 1975


    Octane number requirement trends - passenger cars in US, 1965-1974.

    Barnard,D.P. / Rogers,J.D. / Wascher,W.L. et al. | Kraftfahrwesen | 1975


    Octane number requirement survey 1959 - 1975 japanese passenger cars

    Nakajima,K. / Nippon Oil,JP | Kraftfahrwesen | 1977