A federal agency on Thursday approved a natural-gas export terminal in Louisiana, marking the second time the U.S. government has signed off on such a project. The Federal Energy Regulatory Commission authorized Cameron LNG LLC, a unit of San Diego-based Sempra Energy , to operate and construct a liquefied-natural-gas export facility in Hackberry, La., just east of the Texas border. The approval focused on the project’s environmental assessment. It was the last major regulatory hurdle Cameron had to overcome and mostly clears the way for the nearly $10 billion project to begin construction. Sempra expects to begin construction later this year and will export up to 1.7 billion cubic feet of natural gas a day by 2019. In the wake of the U.S. oil and natural gas boom, companies have been scrambling in the past few years to get federal approval to export natural gas, a reversal from market […]