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 ...

Your car's computer detects wrong octane fuel and automatically adjusts to prevent engine damage, though performance drops ...

So, what are the differences between different grades of gasoline and diesel? Is the higher-priced high-octane gasoline ...

Premium gas, also known as high-octane gas, can withstand more compression, but is it ideal for your lawn mower? What are the long-term effects?

If you're in the market for a Chrysler with a Hemi under the hood, you might be wondering if it requires premium gas. Here's what the manufacturer recommends.

Ford says that all of its EcoBoost engines can run on 87-octane gas, although it recommends premium 91 octane gas for best possible performance.

Standard fuel typically comes with an octane rating of 87-94, but high-performance racecar engines require a higher octane rating, up to 120 or even higher, to maximize power and withstand greater ...