Chakravorty, Ujjayant; Hubert, Marie-Hélène; Moreaux, … - 2012
More than 40% of US grain is now used to produce biofuels, which are used as substitutes for gasoline in transportation …. Biofuels have been blamed universally for recent increases in world food prices. Many studies have shown that these energy … prices. However, biofuels may increase aggregate world carbon emissions, due to leakage from lower oil prices and conversion …