What is the octane rating of fuel? The octane rating of fuel is an indicator of just one thing: the fuel’s ability to resist detonation or knock. That’s it. The octane number has nothing to do with ...

Motorists often wonder whether they should fill up with regular petrol or opt for 'Power' (premium) petrol. Some believe ...

If you've ever fueled up in Colorado, you might have noticed something unusual about the gas octane ratings at the pump – specifically, the availability of 85-octane gasoline. This lower octane fuel ...

87 octane gasoline, often called "regular" gas, is one of the most commonly used fuels in the United States. But what gives it that 87 rating is a word you've probably heard a time or two: Ethanol.