Commonwealth LNG, a project proposed for Louisiana and originally supposed to be up and running by 2027, will take until 2031 to complete, the company behind it has warned in a request for an extension to its deadline. The company blamed the temporary ban on new liquefied natural gas capacity that the Biden administration imposed on the industry in its final year, following a report by an environmentalist that claimed LNG is more harmful than coal for the atmosphere. The Trump administration canceled the ban this year, but that was not soon enough…