Many gas station brands get their fuel reviewed and tested by TOP TIER, a company endorsed by AAA, which rates fuel quality ...

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 ...

Fuel injector cleaners are additives that are poured right into the gas tank and remove carbon deposits and other contaminants from the injectors. This can lead to better fuel economy, improved ...

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 ...