Slashdot Thread On Pimentel Study

Relevant to the Pimentel study claiming pretty much all major proposed methods of ethanol production are energy negative: here's a Slashdot thread on the topic. A few data points of interest, maybe...

• This post provides a link to a site itself with a 2002 University of Michigan study (PDF) rebutting earlier Pimentel studies.
• This post talks about the Union of Concerned Scientists' SUV which makes some questionable assumptions under the hood as to costs.
• CapsaicinBoy notes Pimentel releases similar reports annually, sorta like spring vacation.

Anyway, a lot of stuff in there to consider. One of these days I'll have to actually read the original source material, I suppose.