Critically, the reason for octane number differences will be explained, with both the chemical composition and the cooling effect of ethanol providing a large advantage. Finally, we'll look at real ...

Folks have been experimenting with ethanol in modern combustion engines even when they weren't so modern. Nicolaus Otto, the inventor of the traditional four-cycle engine, used it to power one of his ...

Ethanol only contains two thirds the amount of energy of an equivalent amount of gasoline, yet engines make more power burning it than gasoline. This video from Engineering Explained will tell you why ...

Imagine for a moment that you're the quintessential hands-on hobbyist. You've noticed that your Pontiac hasn't run its best as of late and all indications point to its Rochester Quadrajet as the ...

With all the different engine and combustion theories being tested at the Engine Masters Challenge, it made us wonder about the fuel these powerplants were gulping down. For the 2015 event, we had ...

Classic cars have always had the public eye, with some even choosing them to be their daily drivers. If that's the case, you better be informed about what kind of fuel you need to use. The best fuel ...

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 ...

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 ...