Diesel and VW fanatics have been anxiously awaiting mileage numbers for the first-ever clean-diesel Jetta, and here they are courtesy of the U.S. government: The four-cylinder TDI will get 30 mpg city ...

It’s quite the mind-blowing experience, especially after too much time in gas-guzzling big trucks (or, somewhat embarrassingly, the Nissan Armada I’m commandeering at present, which graciously ...

Regulators have approved fixes for the vast majority of cars involved in Volkswagen Group’s huge billion-dollar diesel emissions scandal, but do those remedies sacrifice significant real-world fuel ...