We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, 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 when you pull up to a Costco pump?

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 ...

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 ...

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 ...

Want to know how to choose the right fuel at the gas pump? Here's a quick rundown of the different octane ratings. The post ...

After the Bharat Stage VI emissions norms were implemented in 2020, petrol’s minimum octane rating was upped from an average baseline of 88 RON to 91 RON (Research Octane Number). As of now, regular ...

Costco’s premium gas, available at locations nationwide, has sparked a debate among drivers about its exact octane rating. Is it 91 or 93? And does this difference have any significant impact on their ...