The product bundles six additive functions in a dual‑cavity bottle to seal leaks, restore performance and power, and protect engines.

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 newer types of engine oil is 0W-8. Here are the cars that use it, how it is different from other oils, and why ...