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 ...

Selecting a grade of gasoline simply because it has a higher octane rating might not be the best choice for your car or your budget. While some vehicles can benefit from premium gas, most drivers can ...

Labeling different gases as “regular” and “premium” is a bit misleading, as many cars only require regular gas and should only run on regular gas. Premium gasoline is not necessarily a luxury product ...

Fuel is a must for vehicle owners to get from point A to B. Knowing which type of gas you should spend money on can prove crucial under certain conditions. Gas prices continue to rise, and considering ...

Fuel comes in different grades based on octane level at gas stations. Only some performance engines require Premium fuel for the best power output, fuel efficiency, and engine function. Are you ...

You have a choice when you pull up to the pump. Most gas stations have three choices for fuel for your vehicle, based mostly on octane ratings. Which one is the best for your vehicle? A lot of that ...

The answer is yes: You can mix 87 and 91 octane gasoline without blowing your engine to hell. With that out of the way, let's discuss what mixing different octane fuels does to your engine in terms of ...

Gasoline is a mystery to most hot rodders. For the most part, we just fill up the tank and forget about the fuel. The most difficult question is whether to step up from 89 to 92 octane. As you might ...

Add Yahoo as a preferred source to see more of our stories on Google. Person adding gasoline to a lawn mower - Ana-o/Getty Images Using premium gasoline with a higher octane rating can improve how ...