Found this thread through google, and thought I would register and then throw in my 2 cents worth.
I have a 2000 Saturn LS with manual transmission and 2.2 ecotec (first year in US car). I have been limiting myself between 55 mph to 60 mph on the highway, and driving conservitively. I also have switched back to gasoline vs 10% alcohol. My last tank of gas was 36.2 mpg. I have been averaging 33 when running gasohol.
I know it's penny pinching, but a gallon is $3.60 for gasohol and $3.69 for regular. Difference in a 12 gallon fill up (13.1 gal tank) is $1.08. I save .92 gal a fill up or $3.40 less the 9 cents gal difference for a savings of $2.32 each tank.
It doesn't seem logical, but buying the more expensive fuel saves me money.
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