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 ...

Vintage engines, with their intricate designs and historical significance, are treasures for collectors and enthusiasts. However, modern fuels, with their different compositions and additives, pose a ...

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 ...

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 ...

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?