While gas prices are down somewhat from their lofty levels a year ago, most U.S. motorists would still likely consider a national average $3.74 per gallon, according to the AAA, to still be ...

Most pumps offer a selection of fuel types labeled with a number. Those numbers aren't the price but rather indicate the ...

often sits beside regular 91 or 95-octane options, usually at a noticeably higher price. Many drivers assume that the most expensive fuel must be the best choice for their car, promising better ...

Octane fights knock; it doesn’t add power to cars designed for regular. Follow the fuel-door label and pick regular pumps—the detergent is the real upgrade Premium Gas Isn’t Better. It’s Octane vs.

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 ...

We have to separate the chemical "octane" from a fuel's "octane rating" since they can be two different things. Think about it this way. If you learned your shapes in kindergarten, you should easily ...

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 ...

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 ...

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 we think of premium gas, the chances are we're thinking of gas-guzzling supercars having their tanks filled with a performance-enhancing nectar. A nectar that carries a premium cost and lets ...

Add Yahoo as a preferred source to see more of our stories on Google. Person adding gasoline to a lawn mower - Ana-o/Getty Images Using premium gasoline with a higher octane rating can improve how ...