Fresh motor oil is an internal combustion engine's best friend. It's more than just about lubrication, as the engine oil collects dirt, metal particles, and other harmful contaminants while acting as ...

Oil changes are a key part of regular maintenance on your car, but the process involves more than just changing the oil. You'll also change your oil filter. All oil eventually gets dirty as it moves ...

Bill O'Ryan with the American Petroleum Institute updates trucking reporters at TMC on the new PC-12 heavy-duty engine oil category. After several years of development, we're nearing the finish line ...