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 ...

Vehicles, like every other mechanical body of work that has ever been put together, require regular maintenance to stay in optimal shape. The magic is in the boring details; Routine procedures like ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Motor oil and the subsequent maintenance have been around since the invention of the automobile. From the earliest days, automakers made lubrication oil from animal fats and vegetable oils. Eventually ...