Jennifer A. Dlouhy & Gerson Freitas Jr. |Tuesday, January 26, 2021 The promise from INGAA and its member companies is the latest industry pivot as Democrats take over the White House and Congress. (Bloomberg) -- Major natural gas pipeline operators are committing to pare their carbon footprint and make their operations emissions-free by 2050, a pledge that could help ward off political attacks. The promise from the Interstate Natural Gas Association of America and its member companies -- which operate some 200,000 of the 300,000 miles of transmission pipes crisscrossing the U.S. -- is the latest industry pivot as Democrats take over the White House and Congress with vows to phase out fossil fuels.