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

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 ...

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 ...

Oil futures rose Wednesday, finding support from a weaker U.S. dollar as investors navigate intensifying trade tensions and ...

If you’ve been to a dealership recently, or even browsed online some, you know just how expensive a new truck is these ...

You might recall I pulled the cylinder head of the Jeep some two months ago to inspect the piston. In the end, I decided to ...

If you've ever examined the packaging on your engine oil, you may have noticed a letter C among all the other information.