The Production and Use of Biofuels, Biodiesel, and Ethanol; Agriculture-Based Renewable Energy Production Including Corn and Sugar; The Ethanol "Blend Wall"; Renewable Fuel Standard (RFS and RFS2); Cellulosic Biofuels; 2007 Energy Bill; 2008 Farm Bill; Food and Livestock Feed Price Inflation; Caribbean Basin Initiative; and U.S.-Brazil Energy Cooperation