FILE - In this Oct. 14, 2011 file photo, a drilling rig is set up near a barn in Springville, Pa., to tap gas from the giant Marcellus Shale gas field. A new plan to strengthen standards for fracking is creating unusual divisions among environmentalists and supporters for the oil and gas industry. Some environmentalists say the new partnership between the gas companies and environmentalists is too soft, Others in the industry complain the program, announced March 20, 2013, goes too far. (AP Photo/Alex Brandon, File)

Associated Press
FILE - In this Oct. 14, 2011 file photo, a drilling rig is set up near a barn in Springville, Pa., to tap gas from the giant Marcellus Shale gas field. A new plan to strengthen standards for fracking is creating unusual divisions among environmentalists and supporters for the oil and gas industry. Some environmentalists say the new partnership between the gas companies and environmentalists is too soft, Others in the industry complain the program, announced March 20, 2013, goes too far. (AP Photo/Alex Brandon, File)
FILE - In this Oct. 14, 2011 file photo, a drilling rig is set up near a barn in Springville, Pa., to tap gas from the giant Marcellus Shale gas field. A new plan to strengthen standards for fracking is creating unusual divisions among environmentalists and supporters for the oil and gas industry. Some environmentalists say the new partnership between the gas companies and environmentalists is too soft, Others in the industry complain the program, announced March 20, 2013, goes too far. (AP Photo/Alex Brandon, File)
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