Aiming to turn trees into new energy sources, scientists are using a controversial genetic engineering process to change the composition of the wood. A major goal is to reduce the amount of lignin, a chemical compound that interferes with efforts to turn the tree’s cellulose into biofuels like ethanol.
By ANDREW POLLACK
Full Story: http://www.nytimes.com/2007/11/20/science/20tree.html?_r=1&ref=science&oref=slogin