Like I said Politicians and Big Corn growers (who have less lobby power than big oil but are still powerful) vs. educational institutions.
http://www.news.cornell.edu/stories/July05/ethanol.toocostly.ssl.html
I guess it depends on where you would put your faith.
I may have mis-read that study you put up but it seems to mention the energy in the Meal, although the energy exists I don't know of any comercial biodiesel producers that are using a process that gets biodiesel from anything other than the oil pressed from the seeds, but I've been wrong before and I'm sure I will be again.
Dinner time on the right coast, I'm outta this joint.