Reuters: The Western world needs to rethink its rush to biofuels, which has done more harm pushing up food prices than it has good by reducing greenhouse gases, a United Nations report said on Tuesday. The U.N. Food and Agriculture Organization (FAO) said policies encouraging biofuel production and use in Europe and the United States was likely to maintain pressure on food prices but have little impact on weaning car users away from oil. “The report finds that while biofuels will offset …