Inventors:
Stephen J. Harris - Troy MI
Bruce D. Peters - Rochester MI
Assignee:
General Motors Corporation - Detroit MI
International Classification:
F02B 7512, F02B 7700
Abstract:
In a preferred embodiment a spark-ignited gasoline-fueled reciprocating internal combustion engine is advantageously operated with a fuel-lean air-fuel mixture, when the gasoline fuel contains about 1% to 5% by volume of a dialkyl peroxide, such as ditertiary butyl peroxide.