“ONE CARGO of LNG heats 1m people in Europe for a month,” beams an employee of Cheniere, America’s biggest exporter of liquefied natural gas, pointing to a specialised vessel docked at its huge export terminal in Corpus Christi, Texas. The firm has poured $17bn into the facility and in October held a groundbreaking ceremony to mark an additional $8bn expansion. More lng sets sail from Cheniere’s even bigger plant in Louisiana.