Automakers recommend using genuine OEM engine oil for a reason that goes far beyond branding. These oils are developed ...

It is the first motor oil proven to unstick piston rings, removing up to 100% of deposits with continuous use.

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...

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 ...