Mitsubishi has struck a deal with Aethon to buy assets worth $5.2 billion in Texas and Louisiana in what would be the largest Japanese investment in U.S. natural gas production to date. According to a Bloomberg report, the deal had been in the making since at least mid-2025 and will bring a windfall for the owners of Aethon. That would be thanks to the bullish outlook for gas, LNG, and specifically U.S. LNG. The assets that Mitsubishi is acquiring are located in the Haynesville shale formation, close to the LNG plants along the Gulf Coast. More…