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 ...

Previously in this two-part examination of oil-drain recommendations and practices: Owner-ops adapt conservative approach to ever-expanding diesel service interval recommendations The most important ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

We may receive a commission on purchases made from links. If you've worked with cars for a while or have owned a few, you probably know that different vehicles use different types and classifications ...