Fuel does not stay fresh forever. Gasoline begins to oxidize in a few months, forming sticky varnish and gum that can clog ...

I went to Sonoma for a NASCAR race and found out heat is the bad guy, fluids are the secret weapon, and Valvoline’s engineers ...

Consumer Reports' auto experts explain how you can keep your car, SUV, or truck in top shape, with advice especially for ...

Chevrolet didn't always build its diesel vehicles with Duramax engines. Here's why the company decided to make the switch from Detroit Diesel.