Engine oil seems so simple. It's slippery. It keeps metal parts from fusing together. It's messy, especially when it has been squeezed, slung, and sprayed around the inside of a hot engine for ...

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 ...

It's easy for the uninitiated to think that oil is oil, no matter what type of engine it's going into. After all, it's only meant to lubricate the internal components of an engine. Well, all oils ...

The company, which has developed a patented motor-oil additive, has been shopping the product to oil companies and others with little success. "We could sometimes get our foot in the door, but there ...

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 ...

Classic car owners are often quite devoted to their vehicles. Between the substantial investment (classic cars can be expensive to buy and maintain), sentimental value, and fun factor, most ...