The Federal Energy Regulatory Commission (FERC) voted unanimously to let the $10bn Louisiana facility move forward.

“This is a landmark project that will bring economic prosperity and create thousands of jobs in Louisiana,” Sempra chief executive Debra Reed said in a statement.

“Today’s approval is another important step in delivering natural gas to America’s trading partners abroad.”

The FERC permit is one of the last major regulatory approvals required to start construction on the LNG facility.

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