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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,167
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong. Disclaimer: the above was 2¢ worth. More information is available as my professional opinion, which is provided for an exorbitant fee.
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Registered
Join Date: Mar 2005
Location: Northern CA
Posts: 4,703
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Quote:
Please see page 2 of How Much Energy Does It Take to Make a Gallon of Ethanol? David Lorenz • David Morris Revised and Updated August 1995. Seems like an honest paper - more research required. Feel free to find a better paper. Energy needed to make 1 gallon of ethanol = 81,090 BTU Energy from 1 gallon of ethanol = 84,100 BTU There are some Co-product credits not sure if these are all actually used. Then you have to burn it in an ICE at say 17-21% efficiency. EV motors I think are around 85-90% efficient. I'm still digging around for better analysis that includes straight gasoline. The point is gasoline doesn't magically pull itself out of the ground and come out of the gas station pump hose.
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Sold: 1989 3.2 coupe, 112k miles |
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Make Bruins Great Again
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-------------------------------------- Joe See Porsche run. Run, Porsche, Run: `87 911 Carrera |
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