At Karmanterra, our mission has always been clear: to accelerate the transition toward low-carbon industrial systems through renewable, biogenic carbon solutions. Today, we’re proud to announce a new partnership with Greenway Steel, a U.S.-based sustainability solutions provider serving the metals and manufacturing supply chain, to bring that vision further into reality.
Under this collaboration, Greenway Steel and Karmanterra will jointly identify and advance industrial applications for Karmanterra’s biogenic carbon—a renewable alternative to fossil-based anthracite and coke traditionally used in EAF (Electric Arc Furnace), Blast Furnace, and DRI (Direct Reduced Iron) steelmaking. Together, the two companies will evaluate performance, cost, and emissions benefits to demonstrate how renewable carbon can deliver both environmental and economic value to the steel sector.
“Greenway Steel was founded to bridge the gap between emerging clean technologies and the realities of industrial operations,” said Randy Charles, Founder and Manager of Greenway Steel. “Biocarbon represents a practical near-term solution to reduce emissions in steelmaking.”
Karmanterra CEO John Ryan added: “Our partnership with Greenway Steel is about integration and impact. Randy’s deep technical experience and industry insight make Greenway an ideal partner to bring our biocarbon solutions into the hands of U.S. steel and metals producers committed to sustainability and competitiveness.”
Through the end 2025 and into 2026, the companies will begin pilot programs with select industrial partners to model both the environmental and economic advantages of renewable carbon substitution and execute furnace trials—advancing a key pathway to decarbonize steelmaking in alignment with CBAM and net-zero manufacturing goals.
➡️ Read the full announcement on Greenway Steel’s site here.
