There was a time when the most exciting technology in performance cars could be summed up in one word: diesel. In the last three or four decades, oil-burning vehicles have gone from being mainly ...

A blasphemy to some and very cool to others, diesel-powered sports cars rarely made it past the concept stage. Among the concepts that didn’t make it are the following five sports cars, which, despite ...

Audi R8 V12 TDI Concept at the 2008 Detroit Auto Show Motor Trend Technical Director, Frank Markus, discusses Audis R8 V12 TDI Concept with Wolfgang Hatz, Head of Powertrain Development at Volkswagen.

The V8 and V10 engines that powered the Audi R8 over the years were perfect for the brand’s mid-engined supercar. Yet, despite how good these engines are, a shop in the UK is preparing to build an R8 ...