Diesel enthusiasts’ interest in engine swaps is at an all-time high, spurred on by owners’ love of their aging vehicles and disenchantment with the performance of their factory-installed powerplants ...

"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 ...

Within weeks, Volkswagen and Audi will starting buying back thousands of 2.0-liter diesel cars sold between 2009 and 2015. So what will the company do once it's legally taken possession of those ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...