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 ...

We all tend to steer clear of the most expensive gasoline option at the gas station. However, there is a valid reason why ...

Q. Is it necessary to use premium 91 octane gas or can I safely use regular 87 octane in my 2017 Acura RDX? What about mid-grade 89 octane? A. Acura recommends 91 octane fuel, and the key word is ...

Called the B6.7 Octane, Cummins' first gas engine is a turbocharged 6.7-liter inline-six that runs on 87-octane gasoline. Output ranges from 200 horsepower and 600 pound-feet of torque to 300 hp ...

Premium gas sounds like it’s something special. But it translates into paying extra for a higher octane without any performance or fuel-economy benefits for many cars. That’s what we found ...