...not everybody's experience with ethanol has been as "good" as yours. Cars, like opinions, vary, so obviously YOMV.
...if I owned a car with turbocharged engine, I'd certainly use E85 just to take advantage of its higher octane rating...assuming the ECU was capable of "using" that higher octane by bumping up the ignition timing and so yield more HP.
...but, my '09 Vibe doesn't have a turbocharger and looses HP instead of gaining it on E85, so I choose to stick E<10 (AZ's manditory "blend") for my reasons. To each, his/her own.
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