Are you paying too much for the fuel in your car?

Regular or Premium?

Gas is nearly 10 cents cheaper than it was this time last year. But AAA says some Americans are still losing money but choosing plus or premium gas unnecessarily.

Edna Bangan talks about filling up her car at the pump... "It just requires unleaded, but I prefer to use plus. To keep the engine good." Bangan is not the only one. Richard Ulrich prefers regular, but believes higher grade gas is better. "I think the octane level, yeah I think so, makes the engine run better, I think it runs cleaner with the higher octane."

John Nielsen from AAA says, "I think it's easy to believe that something that is premium sounds like a treat.But the truth is if your car is designed to run on regular gasoline, using the premium fuel or the 93 octane isn't going to make it run better, have better fuel economy, or have lower emissions."

AAA looked at cars with v-6, v-8, and four cylinder engines, and found 'no benefit' to using a higher level of gas than was called for by the manufacturer.

AAA estimates 16.5 million drivers mis-fueled their cars by upping the octane unnecessarily last year...costing them an extra 2.1 billion dollars.Only about 16% of vehicles on the road require premium gas - they are typically high performance or luxury cars. Another 10% run best on mid-grade, while 7 in 10 cars on the road only need regular.

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