Prototype Drive: Audi A6 and RS 5 TDI-e

Story by John LeBlanc MALMÖ, Sweden — It’s an interesting time in the auto industry for engine geeks. Not since the dawn of the automobile more than a century ago, when cars were powered by everything from gasoline to electricity to steam, have new car buyers had such a variety of powertrains to choose from.

Road Test: 2014 Jeep Grand Cherokee EcoDiesel Summit

Story and photo by John LeBlanc CALABOGIE, Ont. — Real off-roaders will tell you: its torque, not horsepower that will get you out of the mud or over a boulder. So those who take their SUVs off-road will be happy to see the return of diesel power to the very off-road capable Jeep Grand Cherokee […]