The fact that you're reading this now means there's a pretty damn good chance you pump gas into your car. And because of that, you've got a combustion engine under your car's hood. Of course, some of ...

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 ...

Anyone that’s ever topped off their tank or filled up a jerry can knows gasoline comes in different grades, from regular unleaded to pricey premium. Each “flavor” has a number that corresponds to its ...