Vehicle emission control systems, fuel composition, and fuel-derived engine deposits have been studied as variables affecting the exhaust emissions of eleven species of polynuclear aromatics (PNA) and phenols. Both deposit-formation fuels and various emission-test fuels were used in measuring PNA emissions. One standard production model automobile without emission controls, two with engine-modification controls, and two automobiles with experimental advanced emission control systems have been used in the program. All emission measurements were made on the seven-mode cycle with 2:1 hot/cold weighting.


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    Polynuclear Aromatic Hydrocarbons in Vehicle Exhaust Gas

    Sezzi, F. / Arteconi, M. / Zaghini, N. et al. | SAE Technical Papers | 1973


    Measurement of Polynuclear Aromatic Hydrocarbons in Diesel Exhaust Gases

    Bricklemyer, B. A. / Spindt, R. S. | SAE Technical Papers | 1978



    A Comparison of the Emissions of Polynuclear Aromatic Hydrocarbons from Automobiles Using Gasoline or a Methanol/Gasoline Blend

    Bertilsson, Britt Marie / Alsberg, Tomas / Stenberg, Ulf | SAE Technical Papers | 1981