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
Avion (car) updated version was entered in the Progressive Automotive X Prize competition. Recent testing, using the original body and replacing the original Volkswagen Rabbit diesel engine with the Smart Car ForTwo diesel show 80 MPG at and a remarkable 114 MPG at . The car was designed to be manufactured in small volume using existing automotive components, including a small automotive diesel engine. A lightweight composite body of highly aerodynamic design is attached to an aluminum frame, and features Butterfly doors. Avion (car) The Avion is a prototype sportscar that achieves over 100 MPG. The Avion car is based on a