Most people are familiar with the importance of oil for the internal combustion engines that power our modern vehicles. The petroleum-based fluid is designed to provide lubrication to the vast amount ...

DETROIT - In the latest example of Volkswagen of America Inc.'s quality woes, the automaker is warning 426,000 VW Passat and Audi A4 owners of an engine oil sludge problem. Affected are 1.8-liter ...

Engine oil is the life blood of any engine. It takes care of the main adversary of the internal combustion engine- friction. And in the same time cleans it and gets rid of all that heat inside it.

Toyota Motor Corp., plagued for years by claims that engines in some of its most popular vehicles were subject to damaging oil sludge buildup, has settled a class-action lawsuit over the issue. The ...

DETROIT - In the latest example of Volkswagen of America Inc.'s quality woes, the automaker is warning 426,000 VW Passat and Audi A4 owners of an engine oil sludge problem. Affected are 1.8-liter ...