http://www.herad.is/y04/1/2011-02-04-the-biofuel-scandal.htm

The Trouble With Biofuels

from Time

http://www.time.com/time/health/article/0,8599,1713431,00.html

According to researchers at Princeton University and the Nature Conservancy,

almost all the biofuels used today cause more greenhouse gas emissions

than conventional fuels, if the full environmental cost

of producing them is factored in.

Read more:http://www.time.com/time/health/article/0,8599,1713431,00.html#ixzz1D0OcIwwB