Dr. Pielke Oct 31, 2009

Excerpts include:
There is an informative post titled Biofuel woes by Katharine Sanderson on the Nature.com/climatefeedback website.
Biofuels derived from the cellulosic, woody parts of plants are not having their greenhouse gas emissions properly accounted
those biofuels would be shown to actually cause more greenhouse gases to be released than fossil fuels.

Timothy Searchinger from Princeton University
They say that the assertion that fuels made from biomass can be counted as carbon neutral is wrong. “