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 ...

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

[NEW YORK] Oil prices settled slightly higher on Tuesday, helped by weakness in the dollar, but gains were capped by mounting fears of a US economic slowdown and the impact of tariffs on global ...