NGI by Charlie Passut.   Alaska and three Chinese companies have agreed to a six-month extension to negotiate and conclude definitive agreements for a liquefied natural gas (LNG) project in the state, despite an ongoing U.S.-Sino trade war. The Alaska Gasline Development Corp. (AGDC), China's state-owned Sinopec Group, the Bank of China and CIC Capital, a subsidiary of China Investment Corp., agreed [...]