"Rich256" wrote in message news:FPp8g.46137$Fs1.32238@bgtnsc05-

I am seeing many what appear to be knowledgeable people saying it is not
worth the effort.

http://www.sfgate.com/cgi-bin/articl...NG1VDF6EM1.DTL

http://www.news.cornell.edu/stories/...ostly.ssl.html

But that is argued by others:

http://www.usatoday.com/tech/science...-sidebar_x.htm

http://journeytoforever.org/ethanol_energy.html

Or would effort be better spent trying to recover the shale oil in the west?

Shell says they have a method to extract it.

http://www.energybulletin.net/2680.html

Thanks for the references. Good reading.

Bob