If you're new to being a diesel-vehicle owner, there's some important tips you need to know, including what type of coolant ...

Not to be confused with hydrogen fuel cells, this hydrogen-powered internal combustion engine made by Chinese company Weichai ...

Both gasoline and diesel fuel are refined from crude oil, but they are good for different things and can’t be used ...

In the late 1990s and early 2000s, manufacturers phased in Tier 2 and Tier 3 regulations on certain diesel engines to be in ...

Fuel costs aren’t getting cheaper. Learn how better operating habits and the latest technologies can reduce fuel consumption.

Looking for a quick starter on your diesel-powered lawnmower or dirt bike? Here's what you need to know about adding an ...

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

Amidst the furore concerning ethanol blending, diesel engines are once again emerging as the unsung, anti-heroes of long-haul ...

When we think about Mazda's Wankel rotary engine and the models it was used in, images of the RX-7, RX-8, and Cosmo likely come to mind. All three served as Mazda's flagship sports car at various ...

Whatever Audi does, BMW can do better. Enter the world’s only production quad-turbo engine, that sadly departed with more of ...

The Mazda CX-70 Diesel boasts impressive 870-mile range and 251 HP output, but unfortunately, it's not available in the US.

The tech behind record-setting hypercars could make electric aircraft fly farther and land more safely.