Greenwire: The Obama administration announced steps today aimed at improving the coordination of U.S. biofuels policy, increasing investment in next-generation fuels and shrinking the industry’s environmental footprint. At the same time, U.S. EPA is releasing draft rules today showing that corn-based ethanol has lower “lifecycle” greenhouse gas emissions than gasoline but still fails to meet emission targets set by Congress in 2007, EPA Administrator Lisa Jackson said. The administration …