When you pull up to the pump, the choice between regular and premium fuel can feel like a small but important decision. Premium gas usually costs more, and many drivers assume it automatically ...

Higher octane fuel resists engine knock under compression — it is not a cleaner or more powerful fuel for all vehicles. Modern knock sensors in post-2000 engines automatically compensate for ...

Refueling with premium gas can add a significant amount to your annual bill compared to buying regular gas, but in New York, buyers might be receiving lower grade fuel regardless of what they pick. A ...