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

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 ...

DETROIT - Improve fuel economy - type those words on Google, and you'll get more than 23.4 million Web pages on the subject. Look closely. You'll also see an abundance of atomizers, magnets, fluids ...

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

Pilot Flying J, Love’s and TravelCenters of America are among truck stops using cold-flow broad spectrum additives to treat fuel at cold-weather locations for the winter. “With the exception of our ...

Small engine maker Briggs & Stratton Co. has introduced a fuel additive that it says will help prevent problems in gasoline engines using ethanol. Petroleum companies use a 10 percent blend of ethanol ...

We may receive a commission on purchases made from links. Drivers trying to get the most performance out of their diesel trucks — and there are many things you can do — will sometimes resort to fuel ...