A bona fide supercar, this incredibly fast coupe and convertible was powered by a General Motors diesel truck engine and ...

Just a decade ago, diesel cars outsold gas cars in Europe. Super-efficient and great for long-distance cruising, diesel cars seemed headed toward a very bright future. Heck, there is still no vehicle ...

Although other alternative fuels like E85 get a lot of attention, LPG remains the world's third-most popular engine fuel—and ...

Looking for the best diesel mileage cars in India in 2025? Here’s a list of the top 5 most fuel-efficient diesel cars that ...

The simple, non-negotiable truth is this: when it comes to outright fuel efficiency, the diesel engine is, mechanically and ...

What do you think? Could this Audi find a fan? And once it does, will that $8,900 asking price make that fan even happier with the find?

Volkswagen is nudging up prices on select combustion models while holding the line on its all-electric IDs. The move signals ...

For the second week in a row, both diesel and gas prices have dropped. The national average on-highway diesel price dropped 5 cents to $3.620, according to data released by the U.S. Energy Information ...