Engine knocking can result from one of several issues involving your engine. Whatever is causing it, it must be dealt with immediately so it doesn't become any worse. The knocking is a warning sign ...

DETROIT -- What difference does it make if you use regular or premium gasoline in your car? About 20 cents a gallon. It may be small comfort with gas prices remaining so high, but you virtually never ...

Every time you gas up, you're faced with the decision. Do you press the "regular" or "premium" button at the pump? Are you ruining your car when you opt to save a few bucks, or are you pouring money ...