John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil. AP Photo/David Zalubowski ...

To many people, gas is gas — as long as it’s conveniently located, it’s good enough for them. But is there more to know about what’s coming out of the pump? Is there a difference between brands?

A fuel pump’s primary task is to deliver fuel from the storage tank to the engine, and works with multiple other auto parts to accomplish that duty. That can make it difficult to know whether or not ...

For many of us, our cars are one of the most expensive items we own, if not the most expensive item. So if your vehicle stops working all of a sudden, it's hard to blame you for panicking. Of course, ...