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 ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...

Maruti Suzuki spent $110 million to develop the E15A engine. Unfortunately, it was prone to clogging and cracking, and the ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

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 ...