Costco’s premium gas, available at locations nationwide, has sparked a debate among drivers about its exact octane rating. Is ...

We may receive a commission on purchases made from links. Most gas stations have three options that you can put in your vehicle: regular, mid-grade (plus), and premium. These labels are also often ...

TOLEDO, Ohio — Whether you’re planning a road trip or just stopping to fill up after work, gas prices are always on drivers’ minds. One type of fuel is standing out for being consistently cheaper: ...

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 ...

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 ...

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 ...

Malachi's 2016 Toyota Highlander never stops driving, forcing gas stops every 2 days! He gets 25 MPG, uses 91 octane gas, and ...

What's meant by "premium" isn't the same from gas station to gas station or even from state to state. So what will you find ...