321Energy has a pretty good article today that discusses some of the items you mention.
http://www.321energy.com/editorials/anwar/anwar072906.html
pretty good article?

There is no disagreement on the issue that the ethanol frenzy will lead to a clean, green alternative to oil and relieve the U.S. from the dependence on OPEC for oil,

It is one thing to argue that ethanol will relieve depenance on OPEC and another to announce there is no disagreemment over this.