Journal Gazette: The campaign to delay or even derail a proposed increase in the amount of ethanol in gasoline sold at U.S. pumps is misguided, Sen. Richard Lugar, R-Ind., said Wednesday. Two environmental groups have joined with the oil industry to lobby Congress and the Environmental Protection Agency against a proposal to increase the amount of ethanol in gas to 15 percent. The EPA has said it will announce by the end of September whether tests show that newer car engines can handle fuel with 15 …