Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into ...

It might seem like a small detail, but the color of your engine oil can speak volumes about what’s going on inside your car.

The color of your car's engine oil can tell you a lot about its overall health, including alerting you to potentially ...

Curious to see the damage caused by running on low oil? This teardown of a blown BMW B48 engine shows what goes wrong and the ugly aftermath.

If you've ever heard the old line that "all Harleys leak," it's not entirely wrong. For much of Harley-Davidson's storied history, some oil on the ground was expected. Early engines used what's called ...