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 ...

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 ...

Your vehicle requires regular maintenance with things like oil and other fluid changes, but this may not be enough to truly keep your vehicle operating at its peak performance. From time to time, you ...

Everything, even the smallest of things, can affect the performance of your engine. Whether topping off your fuel tank or driving on motor oil past its expiration date, you're slowly killing your car.

DETROIT -- An inexpensive device that checks the condition of engine oil and warns the driver when it's time for an oil change could help Volkswagen of America Inc. and the Chrysler group avoid future ...

LOS ANGELES -- Toyota Motor Sales U.S.A. Inc. has quietly settled a class-action lawsuit that covers about 3.5 million Toyota and Lexus vehicles that may have been damaged by engine oil sludge.