The 6.7L Cummins inline-six diesel has powered pickup trucks for 30+ years, evolving from 5.9L origins to today's 430hp Ram ...

Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, ...

Internal combustion engine blowby, whether gasoline or diesel, occurs when part of the compressed mixture of air and fuel leaks past the piston rings during the compression or power strokes of a ...

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 ...

Learn about the price differences between gas and diesel truck models and whether now is the right time to buy a diesel ...

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 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 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, ...

The rise to power of electric powertrains spelled trouble for the internal combustion engine. Even if it's still around, powering the cars of the world (including new ones), ICE solutions are no ...

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 ...

With the announcement that the FAA has awarded a full Type Certificate to the Tecnam P2010 TDI, the U.S. general aviation (GA) aircraft market now has a piston-single that runs on the most widely ...