To take Dr. Humphrey up on his challenge to post more full cost 
accounting work, here's a very interesting link to a page that 
describes a number of different biofuel LCAs recently published in 
the peer-reviewed literature.

http://www.greencarcongress.com/lifecycle_analysis/

--
Jason M. Evans, Ph.D.
Postdoctoral Researcher
Department of Wildlife Ecology and Conservation
University of Florida
Newin-Ziegler 319
(352) 846-0148 - office
(352) 328-1199 - cell