Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

While mower maintenance is infrequent, it’s also important to do properly—starting with the correct type of oil for lawn ...

There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most ...

Motor oil comes in a variety of forms, designated by pairs of numbers, but the most common two are 10W-30 and 10W-40. What's ...