GM says some oil use is normal. Here are its official limits for cars and trucks, plus the key checks dealers use to confirm ...

A solar charger with a controller is recommended to maintain the battery of a little-used car. Honda's maintenance minder ...

Can stuck piston rings be restored without teardown? A 500,000-mile Valvoline engine test shows how deposit removal may ...

As Americans keep their cars for longer, Kentucky-based Valvoline says one of its synthetic oil products can turn back time in an engine.

We asked ChatGPT how to make any car last 250,000 miles and got the kind of answer you could find on the back of an oil ...

Commercial trucking is one of the most data-rich industries on the planet - and yet, for decades, most of that data went ...

But when the seasons change, especially around summer and winter, you need to be on your toes to keep your car running ...

After a $28,000 CarMax offer and "shuddering" 8-speed gears, a Florida owner is ready to ditch his 2019 Chevy Silverado for ...

We audited the $1,300 quote for a 2022 Honda CR-V at 65,000 miles. While the CVT and coolant services are essential, items ...

Turbo engines operate under significantly higher pressures and temperatures than naturally aspirated engines, making the ...

U.S. B-52 bombers are flying over Iran, but the real shock is the massive fuel and environmental cost behind these historic ...

The new GF-7 oil standard focuses on better engine durability and cleanliness, and is backward-compatible with previous ...