Chinese automakers might be getting the most attention for their electric vehicles, but as Great Wall Motor has just shown at ...

When GMC launched the Twin Six V12 in 1961, it wanted to prove that gas engines could stand up to diesel mills in the heavy-duty segment — and, in some ways, it did with its magnificent low-end ...

However, in the late 2000s, Audi toyed with the idea of putting a twin-turbo V12 ... supercar powered by a diesel engine, ...