Putting high-octane gas in a car or motorcycle that doesn't need it won't hurt the engine, per se. The fuel will still function the same way regular fuel would without causing any ill effects. But ...

Do you think premium gas is free of ethanol and the best choice for small engines? Do you ever treat your car to an ...

Researchers in Southern Illinois University Carbondale’s School of Aviation could help spur the adoption of an unleaded fuel ...

This became “top-tier” gasoline. Top-tier gas has a package of detergents and additives that meet the cleanliness ...

Aside from typically higher levels of performance additives, the key difference between regular and premium unleaded is its higher octane rating. In the UK, normal unleaded is rated at 95 RON ...

We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...

The whole purpose for those beverages is really to provide the highest level of intoxication at the lowest price.” ...

Which fuel type is recommended for the TurboMax engine that's found in GM's midsize and full-size pickup trucks, including ...