If you're a casual driver and don't pay much mind to the specifics of fuel composition, filling up at the gas station can be confusing, especially if it's a new car. Whether you're topping off a ...

E85 — aka Flex Fuel — is a domestically produced, renewable, alternative fuel blend consisting of around 85-percent ethanol and 15-percent gasoline. Made for use in specially prepped flex fuel ...

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 ...

WASHINGTON -- For months, sky-high gas prices have bedeviled Americans. The nationwide average price for a gallon of gas stands just under an eye-popping $5 per gallon, AAA data shows. But a ...

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 might be one of the most overlooked parts of modern car technology by the average person. It's nothing more than the stuff you put in a car to make it go, right? Well, there's a lot more to what ...

Gas can get expensive, and there are many tips on how to maximize a tank of gas while paying as little as possible. But how true are these tips?