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, ...

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 ...

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 ...

My question is about gasoline. The conventional wisdom I’ve always heard is that brand-name gas (Chevron, Shell, etc.) is better for your engine than what is sold at discount/mom-and-pop gas stations.

Costco sells a huge quantity of gas each year to its members, who have all paid a membership fee for the privilege of purchasing gasoline at prices which are usually much lower than those found at ...

Consumer Reports explains that gasoline “is essentially a shared commodity, often stored in common containers until it is purchased by a major retailer. After that, the retailer treats the gas with a ...