"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 ...

Audi has stopped production of its current A6 C7 model following accusations pointing to the presence of software written to manipulate emissions controls. According to Spiegel, both the A6 as well as ...

This is, apparently, a common problem. The bit I don't get is if this is a problem for non VW engines or if it is only VW. I would serious suggest avoiding VW TDI Bluemotion: repair was £700 and VW ...

Did you think it was over? The Dieselgate scandal has a way of coming back, like a bad case of the flue. Reports have shown fuel economy and performance aren't negatively affected. But some 145,000 ...

Our Four Seasons Passat TDI's round-trip to the East Coast took a toll on its odometer. Before heading to the Empire State, we'd only racked up a little more than 16,000 miles. Upon its return, we'd ...