The Supreme Court will not hear a case against the U.S. Environmental Protection Agency's (EPA) decision to approve E15 fuel. At issue were EPA's testing methods and whether the tests were conducted to completion. In addition to the American Petroleum Institute's November 2010 case, other groups from the auto and food industries have filed cases over the impact that E15 could have on each of their industries. Those suits were consolidated into one case. Last August the District Court of Appeals for the District of Columbia Circuit threw out all of the legal challenges without passing judgment on the EPA's ethanol actions and ruled that the groups did not have standing to file suit because the impacts were too far removed from the EPA's de...