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 ...

As gas prices continue to soar, schemers are ramping up claims that they have just the right device or additive or some other gizmo for better fuel economy. But many of the claims are misleading or ...

Winter is the time of year that really puts diesel trucks and tractors to the test. Sure, a boosted engine loves cold air, but you know what doesn’t? The fuel that makes these workhorses run. That’s ...

Fuel additives are a staple of the auto parts store, but what is the difference between the fuel stabilizers and the fuel treatments on the shelves?

WHY has the additive that provides cleaner burning gasoline -- a chemical known as MTBE -- aroused such opposition from the environmental movement equal in intensity to that induced by radioactive ...