But does using premium fuel in a standard vehicle improve performance in the same way? The demand for premium gasoline has ...

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 ...

With premium gasoline prices in parts of Michigan pushing toward $6 a gallon, drivers are facing a familiar question: Do I ...

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, ...