June 3, 2025Comment 0 « Back to Glossary Index A biological process that produces hydrogen from organic material without oxygen. Related Articles: Anaerobic Digestion« Back to Glossary Index Anion Exchange Membrane (AEM) Biomass Gasification Related Posts Japan Unveils First Power Engine Running on 30% Hydrogen Posted on February 22, 2026 Boil-Off Gas Posted on June 24, 2025 Utilisation Factor Posted on July 30, 2025