Many gas station brands get their fuel reviewed and tested by TOP TIER, a company endorsed by AAA, that rates fuel quality for gasoline and diesel engines. The brands that meet the company's standards ...

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.

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, ...

Carbon deposits are a normal occurrence in an engine, but can build up over time, causing problems. Essentially, heat, pressure, and oxidation can transform unburned fuel into a black soot-like ...