Engine oil and cold weather don't mix well. Here's why viscosity matters, how cold affects oil flow, and how the right oil ...

Just because the oil on your dipstick is black doesn't mean it's time for an oil change. In fact, that really just means the ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

In the world of automotive engine oils, 0W-20 is one of the thinnest, though oils as thin as 0W-8 are now used. The 0W stands for 0-weight in winter, and the 20 stands for 20-weight when the oil is ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

One of the most common car-care questions is also one of the most confusing: what kind of motor oil do you really need—and is ...

Though Teslas don't use motor oil like a gas-powered car does, they do have a special type of oil along with a filter that ...