Turns out 'recommended' Premium gas doesn't do much

Gas Prices Drop in Rockford

Gas prices in our state have fallen more than three cents per gallon in the past week.

It fell 4 cents in Jacksonville to $2.33 in the past seven days.

"Cheaper winter gas prices are being seen for the bulk of the country as gasoline demand declines", said AAA Mid-Atlantic spokeswoman Tammy Arnette. However, on the week, gas prices in these states are down at least two cents, while Californias price increased by a penny.

Across the country, the largest changes in average gas prices by state: DE (-5 cents), Colorado (-5 cents), ME (-4 cents), Oklahoma (-4 cents), Vermont (-4 cents), OH (+4 cents), Kentucky (-3 cents), Missouri (-3 cents), SC (-3 cents) and South Dakota (-3 cents).

Last year, AAA undertook an extensive study of whether motorists can gain anything from using premium gasoline.

More news: Hannibal Buress Arrested in Miami After Heated Argument with Cops

Following on what was a comprehensive, 41-page report, AAA joined with the Automobile Club of Southern California's Automotive Research Center to investigate whether auto owners can gain anything from putting premium fuel in vehicles that recommend but don't require it.

After a comprehensive study over the past couple years, AAA says that by using premium, engine performance may be improved "in certain conditions", but overall, motorists were basically giving their money away buying the high-priced petrol instead of regular.

AAA tested six vehicles: a 3.5L Ecoboost Ford F-150, 6.2L V8 Cadillac Escalade, 5.0L Ford Mustang V8; and four-cylinder engines in a 2.0L Mazda MX-5 Miata, 1.8L Audi A3 and 1.4L Jeep Renegade. The research revealed that while recommended premium might upgrade fuel economy and performance, the additional cost isn't worth it.

The fuel economy improvements recorded during AAA testing do not offset the potential extra cost to purchase premium gasoline. Higher levels of octane allow engines to run at higher compression ratios without knocking.

Horsepower for test vehicles averaged an increase of 1.4 percent. Premium gasoline, that exclusive liquid reserved for only the choicest drivers and vehicles, may be a big waste of money for most drivers, the national autoclub says.

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