A controlled engine test running at full power, focusing on performance, stability, and system checks. A practical look at ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

GM Authority poll shows owners overwhelmingly want thicker 5W-30 or 0W-40 oil for next-gen V8s, citing durability over thin ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

Look behind the scenes at the extensive testing involved for modern engine oils. Modern engine oils continue to decrease in ...

GM owners want thicker oil in the next-gen V8 due to reliability issues regarding thinner oil, which caused problems that led ...

CONSUMER INVESTIGATOR BRIAN ROCHE EXPLAINS. A SHERIFF’S DEPARTMENT IN CALIFORNIA SAYS IT ARRESTED TWO MEN AFTER THEY TRIED TO PULL OFF WHAT’S KNOWN AS THE OIL IN THE ENGINE SCAM. THESE ARE THE TWO ...

If you’ve ever sold a car privately, you know the mix of excitement and paranoia that comes with it. You’re thinking about the cash, the handoff, maybe even your next ride. But you’re probably not ...

NEWCASTLE, Calif. — Two men are behind bars in Placer County after deputies say they staged an elaborate “oil-in-the-engine” scam to cheat car sellers out of thousands of dollars. The Placer County ...

Oil leaks are one of the most frustrating maintenance issues for car owners. They not only stain driveways but also create costly repairs when ignored. An engine prone to leaks can drain a driver’s ...

North Korean leader Kim Jong Un oversaw a ground test of a high-thrust solid-fuel engine designed for long-range missiles, state media reported, marking another step in its push to further expand its ...