High Detergent? High Definition? Howdy Doody? Just what, exactly, does it mean when the label on your vehicle's motor oil uses the initials HD?

A Formula 1 rules revolution is making cars lighter and smaller for 2026, with more electrical power. After the biggest ...

Swiss marine power company WinGD has completed type approval testing and factory acceptance testing of their ammonia-fuelled ...

Kirloskar Oil Engines Ltd (KOEL) reported a 35 per cent year-on-year rise in standalone net sales at ₹1,371 crore for the third quarter of FY26, compared with ₹1,015 crore in the corresponding quarter ...

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...

It's been a tough year for GM's half-ton trucks and full-size SUVs equipped with the L87 small-block V-8. Amid an ongoing federal investigation into the 6.2-liter's potential catastrophic failure, the ...

The GM L87 engine recall that has affected almost 600,000 full-size trucks and SUVs in the U.S. and has led to multiple ...

The 6.2-liter V8 engine recall saga is far from being over and no real solution appears to be on the horizon. GM recalls nearly 600,000 trucks and SUVs for potential L87 engine failures. Dealers ...

General Motors has issued updated guidance to its dealer network with regard to the engine oil spec used for units of the 6.2L V8 L87 gasoline engine impacted by last year’s recall. In a series of new ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

This may sound like something out of the original "CSI: Crime Scene Investigation" TV series, but you can tell a lot about engine health by pulling out the dipstick, reading the oil level, and ...