The volume of natural gas flowing to the United States' seven liquefied natural gas (LNG) export plants was on track to hit a 10-month high on Wednesday, according to data from financial firm LSEG. The surge in feedgas was partly chalked up to flows to Venture Global LNG's Plaquemines plant in Louisiana as the company tests equipment at the plant. Plaquemines is set to become the country's eighth big LNG export plant once it starts producing LNG, which analysts have said could happen any day now. Last year, the U.S. became the world’s largest…