Wed, April 22, 2026 at 7:36 PM UTCAir Liquide expanding industrial gas production in St. James ParishST. JAMES PARISH, La. (WGNO) — Air Liquide, an industrial gas company, is investing $350 million in Louisiana to expand production and infrastructure.According to Louisiana Economic Development, Air Liquide will add a new Air Separation Unit in St. James Parish at the existing Koch Methanol facility...