"Rep. Diane DeGette’s (D-CO) attempt to regulate fracking — underground hydraulic fracturing for natural gas extraction — is under attack by a multimillion-dollar lobbying and public-relations campaign from the oil and gas industry. Led by the American Petroleum Institute and the Independent Petroleum Association of America, dozens of industry organizations established the Energy in Depth front group to denounce fracking legislation as an “unnecessary financial burden on a single small-business industry, American oil and natural gas producers.”

See: Lee Fuller. "HF 101: As Cornell Begins Study of Shale Gas Exploration, Energy In Depth Offers Itself Up as Resource for Ad Hoc Panel". Energy in Depth.