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 ...

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?

Top Tier gasoline contains more effective detergents than federally required, which helps clean fuel injectors and reduce harmful carbon deposits inside the engine. Clogged fuel injectors and carbon ...

Filling up a car with gas is second nature for most drivers. But what is not as well known is how dirty a car's fuel system can get over time. If you use low-quality gas without extra fuel additives ...

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 ...

Twenty years ago, a group of original equipment manufacturers (OEMs) established the voluntary TOP TIER™ standard to enhance fuel detergency and optimize engine performance. Recognizing the ...