Simulated Road Test Evaluation of the Effect of Gasoline Additives on Exhaust Gas Emissions 720942

A laboratory engine test procedure has been developed which measures the effect of gasoline additives on engine deposits and the resultant effect of these deposits on exhaust gas emissions. The basis for the laboratory test is the Department of Health, Education and Welfare 50,000 mile durability driving schedule. Several gasoline additives have been evaluated with varying effects on exhaust gas emissions. A strong dependence on base fuel composition was also noted.


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