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 ...

It's difficult to find gas above 90 octane in Alaska, but why? As it turns out, the real reasons are surprisingly mundane and ...

It may be tempting to opt for the lowest-priced option, but ensure it meets the engine requirements. Read more at ...

What fuel does your car have to have? You can find out by looking at the inside of your gas tank door.

Add Yahoo as a preferred source to see more of our stories on Google. A large variety of fuel options and prices are available - Bill Ragan/Shutterstock Premium gasoline is for cars. More specifically ...

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 ...

On Monday, the AAA average for regular gas in Utah reached $3.94 a gallon. That's nearly $1.20 higher, per gallon, than they ...

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 ...

Prime Minister Shehbaz Sharif has banned the use of high-octane fuel in all government vehicles, with the decision taking effect immediately, the Prime Minister's Office announced on Monday.The ban ...

The government has raised the levy on premium-grade fuel used primarily by high-end vehicles, taking the price from PKR 100 ...