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E10 gas will kill milleage.

Gallon for gallon, pure ethanol contains one-third less energy than gasoline, and the ethanol industry acknowledges that E10 reduces mileage by about 2 percent.

Some drivers think the change is notably greater. Chuck Mai, a vice president of AAA Oklahoma, reported that his organization has been getting calls from members blaming E10 for mileage drops of 8 to 20 percent.

In chat rooms at Edmunds.com and elsewhere, plenty of people are blaming ethanol for substantial mileage drops.

I can't decide which one I should buy, ES 350 Or GS350?

price is about 7k difference with similair options. I mean I can afford to pay extra 7K to get GS350. But does it worth to do? Any comments?

Thanks

Anyone tell me is that true? How many males bought and drove RX350 at this forum?