HOUSTON, May 29, 2025 /PRNewswire/ -- Sempra Infrastructure, a subsidiary of Sempra (NYSE: SRE), today announced that the U.S. Department of Energy (DOE) issued a permit to the Port Arthur LNG Phase 2 development project to allow the export of up to approximately 13.5 million tonnes per annum (Mtpa) of U.S.-produced liquefied natural gas (LNG) to countries that do not have a free-trade agreement (FTA) with the U.S. The non-FTA permit, which is the first issued since the completion of the DOE's most recent p ...