Lester R. Brown, «Exploding
U.S. Grain Demand for Automotive Fuel Threatens World Food Security and Political Stability,» Plan B Update (Washington, DC: Earth Policy Institute, 3 November 2006); Lester R. Brown, «
Distillery Demand for Grain to Fuel Cars Vastly Understated: World May Be Facing Highest Grain Prices in History,» Plan B Update (Washington, DC: Earth Policy Institute, 4 January 2007); F.O. Licht, World
Ethanol and Biofuels Report, vol.