 Diesels have typically only been used in trucks and commercial vehicles and buses.Jeep had offered a Perkins Diesel option for its models in the early 1960s and Chrysler offered them as well although mainly for the European market though some have probably been retrofitted to older AMC and Chrysler models in the US, particularly as taxis.Oldsmobile released a 350 cubic Inch (5.7 Litre) V8 diesel Engine starting in the late 1970s, most Buick, Oldsmobile, Pontiac, Chevrolet and even Cadillac divisions of General Motors, had received this engine by the 1980 model year, and continued to be sold until the engine was discontinued in 1985.