The longest-lived diesel still rolling out of factories is not a museum piece or a limited-run curiosity. It is a workhorse straight-six that has powered everything from farm trucks to modern ...

When Arctic air settles in, drivers of diesel pickups and highway fleets learn quickly that not all fuels behave the same.

Diesel engines have long gotten a bad rap in the U.S., but that's a tired story. We all know it, some of us even believe it, but so far not much of the U.S. populace has been exposed to a proper ...

We rely on our pickup trucks to be ready to work at all times, and knowing how your engine type affects tire wear can help ...

The first Diesel engines were started 130 years ago, but they have moved a long way since then. Like their gasoline counterparts, the compression ignited engines have evolved from the rough units of ...

Dieselgate started back in 2014, but it has never really ended, as more and more allegations roll in of defeat devices across the diesel spectrum. From VW and Daimler to Cummins and Bosch, the EPA, ...

You may have noticed that diesel drivers tend to idle their engines after driving, typically when finishing a journey, instead of switching off the engine immediately. This action may seem lazy or ...

The new Audi R18 TDI with which Audi targets its tenth victory in the famous 24 Hours of Le Mans on June 11/12 is ready today with "tomorrow’s" technology. During development of the new LMP1 sports ...

Audi is not killing off its range of big diesel engines, but developing new and improved versions of them. According to a report quoting company insiders, the German company will unveil the next ...

Dieselgate caused a huge shift in Audi’s strategy, with the German premium car manufacturer now fully committed to build only zero-emissions vehicles in the future. But things were way different in ...

Five-cylinders, a unique firing order... and some of the greatest engine sounds on the planet. Here are 10 of the ...

My true forever Volkswagen love is actually my 2015 Jetta TDI S, not my VW GTI, in weirdly nice gray and with zero optional extras. After 247,000 miles of faithful service and an unfortunate episode ...