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

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

FARGO, N.D. - Yes, North Dakota State University has indeed tested the fuel additive CA-40. The tests - replicated six times in a laboratory - show no significant improvement, either in horsepower or ...

We may receive a commission on purchases made from links. Owning and riding a motorcycle can be quite a thrilling hobby, however, it's not all fun and games. This proves especially true in the winter ...

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?