"Court Overturns E.P.A.'s Biofuel Mandate" New York Times

"A federal appeals court threw out a federal rule on renewable fuels on Friday, saying that a quota set by the Environmental Protection Agency for incorporating liquids made from woody crops and wastes into car and truck fuels was based on wishful thinking rather than realistic estimates of what could be achieved. "

http://www.nytimes.com/2013/01/26/business/energy-environment/court-overturns-epas-biofuels-mandate.html?_r=1&