When engine oil is replaced, the old oil is often collected and discarded, but what happens to that used oil, and how can it ...

To get that old oil and grime off of your hands, arms, and probably your face, use a mechanic's hand cleaner. Ones with ...

What an oil catch can does, how it works, and which cars and engines it might benefit.

A small engine oil leak may seem harmless at first, especially when a vehicle runs smoothly and leaves only a few drops on ...

Motor oil is marketed with letters and a series of numbers. What does a bottle with a "W" on it mean?

Oil in a car is definitely not one-size-fits-all, and using the wrong oil for either the engine, transmission, or ...

John’s path to the automotive world began in aviation, before he steered his career toward the passion that had always been the obvious choice: cars. With 12 years of automotive experience - seven of ...

You've just done a fresh oil change on your car, and now you have a nice pan of the stuff. What exactly happens to motor oil, and what should you do with yours?

An engine can lose oil even when the driveway remains completely clean. Instead of escaping through a gasket or seal, engine ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...