Here is my whole four-part series on the agrofuels-biotechnology connection in Latin America:

Biotech Bets on Agrofuels
http://americas.irc-online.org/am/5179

Next-Generation Biofuels
http://americas.irc-online.org/am/5192

Losing the Forest for the Trees: Tree Monocultures and the Biofuel Boom
http://americas.irc-online.org/am/5193

Synthetic Biology's Role in Agrofuels
http://americas.irc-online.org/am/5194