Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

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

Some of the additives that can boost engine performance and longevity include Torco Unleaded Accelerator, Wynn's Diesel ...

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 ...

Most don’t look into things when it comes to fuel and just put in whatever’s recommended to them by mechanics or the car manual. However, you might find yourself in a position where you won’t be able ...