# Air Liquide to invest $350M in Louisiana industrial gas production for Hyundai steel mill

Air Liquide is investing $350 million in Louisiana industrial gas infrastructure, including a new air separation unit at the existing Koch Methanol facility in St. James Parish. Commercial operations are expected to begin in 2028.

- Type: Expansion
- Announced: 2026-04-22
- Where: St. James Parish, Louisiana, United States
- Value: $350.0M
- Status: announced
- Products: oxygen, nitrogen, argon

## Companies

- [Air Liquide](https://endata.com/companies/2132.md)

## Sources

- [wbrz.com](https://www.wbrz.com/news/air-liquide/), 2026-04-22: "Air Liquide said Wednesday that it is investing $350 million into Louisiana's industrial gas production infrastructure."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.