Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...

How well does vegetable oil work as a motor oil substitute? The difference in viscosity between these two oils reveals why ...

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

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 ...

Every few thousand miles, we pull into a shop, wait our turn, and let a technician drain and replace the golden liquid that keeps our cars running. Jet engines, however, operate on a completely ...

Keeping a combustion-engined car in shape requires some effort. Part of that is changing the motor oil and filter on a regular basis to lubricate the moving metal components and keep the engine in ...

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

Walk into most quick-lube shops and you'll walk out with a sticker telling you to return in three months or 3,000 miles. It's ...