(AP) — General Motors on Thursday denied allegations made in a lawsuit that the company’s full-size diesel pickup trucks cheat on emissions tests. The lawsuit filed by lawyers for two truck owners in ...

The Volkswagen Group has reached a preliminary agreement with U.S. regulators to address 83,000 3.0-liter V-6 diesel vehicles with illegal "defeat device" software. The agreement—which covers a ...

Around 11 million Volkswagen diesel cars worldwide were equipped with "defeat device" software that allowed them to cheat on emissions tests, VW has said. But initially, it was only confirmed that the ...

Researchers from Bochum, Germany, and San Diego, California, say they’ve found the precise mechanisms that allowed diesel Volkswagens and Audis to engage or disengage emissions controls depending on ...

The findings get VW off the hook for recalling potentially millions more vehicles, though there are still approximately 11 million Volkswagen models with the EA 189 diesel engine worldwide that ...

It’s clear that we need to make our passenger vehicles a lot more efficient if we want to avoid some of the very worst effects of climate change. And it’s also becoming increasingly clear that ...

After so-called "defeat devices" were discovered in Volkswagen diesels that turn off emissions controls except when a vehicle is undergoing tests, other automakers are being scrutinized. Now we have a ...