Post away.
link to argonne lab,
look at,top-right graph on page two,
liquid energy needed to produce ethanol,
one-tenth of product, or something like that
http://www.ncga.com/public_policy/PDF/03_28_05ArgonneNatlLabEthanolStudy.pdf#search='ethanol%20btu'
copy-paste, not sure if working right, use the whole link