Published by Todd Bush on September 15, 2025
Alleo Energy, a US biomass reforming technology developer, has demonstrated at commercial scale a process that converts cellulosic waste into carbon-negative green hydrogen.
The Bay Minette, Alabama-based company says the process produces more than one hundred kilograms of hydrogen per tonne of cellulosic waste. The renewable energy requirement is less than 63% of the benchmark established by water electrolysis, enabling production costs well below competing initiatives, Alleo added. It plans to sequester 6 kg CO2 for every kg of hydrogen produced.
“Alleo’s carbon-negative green hydrogen is sustainably abundant and doesn't require subsidies to be profitable; it’s a game-changer," stated Simeon Chow, CEO of Alleo Energy.
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The company expects to begin selling hydrogen into the transportation market from its first commercial plant in Bay Minette in a few months.
The Bay Minette site has been operational since 2023. Its first reactor reached nameplate production in liquid fuels focused operations in early 2023. A second reactor commissioned in the first quarter of 2025 has demonstrated the scalability, yield, safety and reliability of the company’s technology in multi-day continuous operations.
Alleo Energy is a US-based biomass reforming technology developer focused on advancing scalable, cost-effective solutions to produce clean hydrogen and low-carbon fuels. Through its proprietary process, the company transforms cellulosic waste into carbon-negative hydrogen while simultaneously capturing and storing CO2. With facilities in Alabama and projects under development across the United States, Alleo is positioned to contribute significantly to the transition toward sustainable energy systems.
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