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Old 06-18-2007, 08:36 PM   #31
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Originally Posted by broodlinger View Post
Your position was summarized when you said, "Who cares about BTUs?"

E10 has ~3.5% less energy than gasoline. Is 3.5% important to hypermilers?

I would call it "watered-down."
Just because it has 3.5% less BTU's does not mean that you will get 3.5% less FE. Even if it did cause a decrease in FE some hypermilers are not in it for strictly FE gains. There are quite a few here that put emissions at the fore front.
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Old 06-18-2007, 08:44 PM   #32
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Just because it has 3.5% less BTU's does not mean that you will get 3.5% less FE.
Not a math wizard but that would be something like 3.5% of 10% wouldn't it?
Since Ethanol has 3.5% less burn effeciency and E10 gas has an average of 10% ethanol...
So, I get around 54MPG on my Corolla right now.
3.5 * .10 = .35
100 - .35 = 99.65
54 * .9965 = 53.81MPG

If the numbers are right I can live with them...
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Old 06-18-2007, 09:05 PM   #33
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Originally Posted by mpg_maniac View Post
Not a math wizard but that would be something like 3.5% of 10% wouldn't it?
Since Ethanol has 3.5% less burn effeciency and E10 gas has an average of 10% ethanol...
So, I get around 54MPG on my Corolla right now.
3.5 * .10 = .35
100 - .35 = 99.65
54 * .9965 = 53.81MPG

If the numbers are right I can live with them...
Some small displacement engines actually get better FE with ethanol. YMMV
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Old 06-18-2007, 10:34 PM   #34
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ill take the hit for the emissions and suporting farmers around here
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