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 ...

octane fuel contains up to 15 percent ethanol, whereas 89 octane contains only around 10 percent. 88 octane is typically ...

I recently replaced my wife's 2012 Mercedes-Benz E350 4Matic wagon with a 2016 Volvo V60 Drive-E, a station wagon that impressed me when this magazine had a similar Four Seasons test car in its fleet ...

Gas prices are fluctuating across the country, and a few states offer a “cheaper” octane option that isn’t found in most places. It has to do with the altitude, KTLA sister station KDVR reports. Most ...

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 ...

When you go to a gas station, you are presented with several types of fuel, each labeled according to an octane number. While most cars can do with regular gas (generally 87 octane), it is often ...

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 ...

DENVER (KDVR) — Gas pumps in some Western states look a little different than the rest of the country. Most states have the option of choosing octane ratings of 87 (regular), 88–90 (midgrade) and ...

The price tag may appeal to drivers, but the gas shouldn't be used in all vehicles. Here's what to know.