History of the diesel car issue as a lot of diesel fuel contained water and also high levels of sulfur at the time. The engine was later revised into the DX block and most of the issues were fixed, a V6 version displacing 4.3 litres and a smaller 4.3 V8 were also offered around this time, mainly for the downsized front-wheel drive models of the mid-1980s and although they were much better in the reliability department, the damage had already been done and the North American diesel car market was severely crippled as a result, despite the best efforts by Mercedes-Benz, Audi, BMW, Peugeot, VW
Diesel multiple unit In 2018 the first bi and tri-mode electro-diesel multiple units were introduced: Canada generally follows similar buffer strength requirements to the USA, but new services are evaluated on a case-by-case basis. As a result, several types of lightweight DMUs have been used: Costa Rica has purchased several Apolo 2400 series DMU railcars from the former narrow gauge operator in Spain, which are run in commuter service. A type of diesel multiple units in the U.S. was the Budd Rail Diesel Car (RDC). The RDC was a single passenger car with two diesel engines and two sets of controls. In the