TOP TIER™ gas is gasoline (and also diesel fuel when applicable) that has been certified to meet specific performance standards. A group of automakers — Volkswagen, Toyota, Honda, General Motors, BMW, ...

Many drivers will opt for high octane fuel hoping to clean out their engine and improve performance. However, paying extra for high octane gasoline isn't really going to get you cleaner fuel. If what ...

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 ...

Premium and Top Tier gas sound good, but what’s really best for your car — and your budget? In some cases, these types of fuel are indeed better for your car — but for different reasons. Premium gas, ...

An analysis by AAA reveals that gas with detergent additives can keep an engine running smoothly By Jeff S. Bartlett Not all gasoline is created equal. There’s plain old regular, and then there’s ...

The average driver may think all gas stations are the same, but that couldn’t be further from the truth. Some gas stations use better quality fuel than others and there is a good reason why. Some ...