Thanks to a post at TDIclub, I discovered that Pimentel has released yet
another report on ethanol. Looking at the dates below, he's a month
ahead of schedule this year.
http://www.news.cornell.edu/stories/July05/ethanol.toocostly.ssl.html
http://www.news.cornell.edu/Chronicle/03/8.14.03/Pimentel-ethanol.html
http://www.news.cornell.edu/Chronicle/01/8.23.01/Pimentel-ethanol.html
I can't speak to this newest report, but as long time readers of this
list already know, Pimental's work has been repeatedly critiqued, and
one of the main compliants it that he uses out of date numbers for yield
and conversion efficiency. Here's a few links:
http://www.mda.state.mn.us/ethanol/balance.html
http://www.usda.gov/oce/oepnu/aer-814.pdf
http://journeytoforever.org/ethanol_rooster.html
http://www.ncga.com/public_policy/PDF/03_28_05ArgonneNatlLabEthanolStudy.pdf
http://www.ethanol-gec.org/corn_eth.htm
All that having been said, Pimental is right that soy and corn alone
cannot replace our petroleum addiction
jh
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