Air Liquide to Invest US$350 Million to Strengthen Footprint, Support Hyundai-POSCO Green Facility
04/22/2026 - Air Liquide announced it has entered a contract with Hyundai-POSCO Louisiana LLC (HPLS) to supply oxygen, nitrogen and argon for the new green steel facility in Louisiana and will invest over US$350 million to create an air separation unit (ASU) in St. James Parish, La., USA.
“This partnership with HPLS reflects Air Liquide’s commitment to supporting industrial decarbonization in the U.S. By leveraging our extensive Mississippi River infrastructure and high-efficiency technologies, we are delivering solutions that ensure both superior reliability and the flexibility required for HPLS's pioneering green steel production,” said Matthieu Giard, group executive committee member at Air Liquide.
The company said the new ASU will be at the existing Koch Methanol facility. They will also expand the pipeline infrastructure along the Mississippi River. The project, in addition to the ongoing Optimization Project at the Koch Methanol St. James facility, will also support additional methanol production.
With the new infrastructure, the company said it will be able to reliably deliver the volumes of industrial gases HPLS will need to meet its steel production goals.
The company said it expects commercial operations to begin in 2028.
The company said the new ASU will be at the existing Koch Methanol facility. They will also expand the pipeline infrastructure along the Mississippi River. The project, in addition to the ongoing Optimization Project at the Koch Methanol St. James facility, will also support additional methanol production.
With the new infrastructure, the company said it will be able to reliably deliver the volumes of industrial gases HPLS will need to meet its steel production goals.
The company said it expects commercial operations to begin in 2028.




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