"You have power, you have energy, you have emissions: You get to choose two of them." That's the conundrum facing diesel-engine engineers, as summarized by Don Hillebrand, the director of energy ...

It has taken more than 30 years for mainstream consumers to forget the gutless, unreliable, smoke-belching, oil-burning cars of the ’70s and ’80s, but diesel is finally a viable option in light-duty ...

VW Group of North America now owns hundreds of thousands of Volkswagen and Audi TDI diesel vehicles it has bought back from owners under the terms of various diesel emission scandal settlements.

Volkswagen is claiming an 80 per cent reduction in NOX levels for the Passat's latest 2.0-litre diesel engine compared to the previous 2.0 TDI. The key is what it calls 'twin dosing', the double ...