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 ...

The Detroit Series 71 diesel engine ended production just before the turn of the millennium, but it dates back to World War II. With that type of lifespan, it should come as no surprise that it ...

When Audi's Q7 V12 TDI concept, inspired by the magnificent R10 TDI endurance racer, rolled on to the Detroit Show floor last year, it seemed more like an engineering stunt than a harbinger of a ...

Word is that the world’s first green supercar will be showing its face at the Detroit Motor Show later this month. As previously alluded to at TMR it looks as though Audi have found a way to shove a ...

Yawn. Another Audi Q7. Another diesel. By rights, Audi's Detroit flagship should have journalists collapsing soporifically in the aisles. Not quite. This none-too-humble-looking beast is the most ...

Audi's gone and done it. After cramming its V-12 TDI diesel powerhouse engine into concept versions of both the Q7 (2007 Detroit show) and R8 (2008 Detroit), the automaker has decided to forge ahead ...

We knew Audi was planning something big in Detroit, and here it is: the world's first diesel supercar. This is the Audi R8 V12 TDi, and although it's being billed as a concept, it should be on the ...