Qore, a joint venture between Cargill and HELM, has officially commenced commercial-scale production of bio-derived 1,4‑butanediol (BDO), branded as QIRA®, at its new Eddyville, Iowa facility. The plant cost $300 million and has an annual capacity of 66,000 metric tons, sourcing dent corn grown within a 100-mile radius. This marks a significant entry into the bio-BDO space, though it still represents a small fraction of total BDO capacity. Qore’s facility utilizes Geno’s fermentation technology. Qore’s partnerships include BASF, which secured long-term access to QIRA’s’s Iowa production, while the LYCRA Company is integrating QIRA® into its EcoMade spandex fiber.
Qore’s entrance via QIRA® is a significant milestone for bio-based BDO’s industrial relevance. However, economic viability hinges on reducing production costs, scaling output, and securing offtake agreements. The bio-based BDO sector remains small relative to the fossil-based BDO market. Until bio-based BDO economics become more competitive, uptake may rely on niche applications willing to pay a premium.
Global bio-based BDO capacity remains modest. Green D Market Analytics estimates bio-based BDO production at approximately 158,000 tpa in 2025, growing at a compound annual growth rate (CAGR) of 30% by 2030. Qore’s capacity accounts for 42% of the global bio-based BDO capacity as of 2025.
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