Rep. Collin Peterson (D-Minn.) negotiated some concessions for his home state's corn ethanol industry before he signed on to a bill last week that would bar U.S. EPA from regulating greenhouse gas emissions -- but not as many as he won two years ago before agreeing to support a climate change bill. In 2009, the then-chairman of the House Agriculture Committee was instrumental in adding language to a greenhouse gas cap-and-trade bill that would have allowed corn ethanol to qualify for a larger share of the renewable fuel standard by tweaking the way the carbon footprint of various fuels is calculated. Go to story #1