BMW's quad-turbo diesel engine was complicated to maintain, and rising production costs led to it being phased out by around ...

While Clessie Cummins and business partner William G. Irwin didn't invent the diesel engine, they saw its budding future and in 1919 started Cummins Engine Co. The diesel engine has undergone several ...

We may receive a commission on purchases made from links. I first fell for turbo-diesels many years ago. A sporty-looking Rover model arrived in the family garage in a dreadful state — the owner had ...

From the October 1982 issue of Car and Driver. Truths about the new Audi 5000S Turbo Diesel are a lot like children: they're everywhere you turn, but they're mostly underfoot. Feel free to take this ...