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Old September 7th 06, 03:06 AM posted to alt.energy.renewable,alt.energy.automobile,rec.autos.tech,sci.environment,sci.chem
SJC
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Posts: 12
Default E85 vs Gasoline - credible numbers?

If you have not tried
www.ethanol.org
I would make that my first stop.

"Mad Scientist Jr" > wrote in message oups.com...
> Looking for some definitive (or at least of somewhat mainstream
> credibility) numbers on E85 vs gasoline:
>
> For production/hauling/storage/etc, end to end:
> BTUs consumed to yield X BTUs from ethanol
> vs
> BTUs consumed to yield X BTUs from gasoline
>
> and
>
> Simply burning the stuff:
> Pollutants produced per 100,000 BTU worth of E85 burned
> vs
> Pollutants produced per 100,000 BTU worth of Gasoline burned
>
> Also what car models (SUVs too) will run on E85?
>
> People talk about ethanol not being worth using because of the fossil
> fuel needed to produce it. They are leaving out a couple of factors
> 1) do you have to burn fossil fuel to produce ethanol? why not run the
> facilities on ethanol?
> 2) what is the total return of energy produced vs consumed, of ethanol
> vs gasoline?
> 3) what is the total pollution difference when you compare the two BTU
> for BTU?
>
> I did not find consistent numbers, for instance Wikipedia says Ethanol
> produces 27% less energy than gasoline, which would be 0.73 the amount
> of energy from gasoline, but a USA Today article says one gallon of
> E-85 has an energy content of 80,000 Btu - compared with about
> 118,000 Btu for a gallon of gas, which would be 0.67 BTUs per gallon of
> gas.
>
> Please no flames, just numbers or a balanced mix of web links to
> reputable / high profile studies ie a couple by academia (plus any info
> on who funds their research), a couple from the oil industry or their
> friends, a couple from green friendly studies.
>
> Thanks
>



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