Korean researchers at the Korea Institute of Energy Research (KIER) have made a significant breakthrough in clean hydrogen production from organic waste. By developing a revolutionary 'Zero-Gap' technology for bio-electrochemical cells (BECs), the team has tackled key challenges in traditional hydrogen production methods. The BEC technology harnesses the power of microorganisms to convert organic waste into valuable hydrogen fuel, aligning with global decarbonization goals. However, the limitations of BEC systems in scalability and efficiency have been addressed with the introduction of the Zero-Gap technology. This innovative design minimizes internal resistance and increases reaction efficiency, paving the way for large-scale, cost-effective hydrogen production. The effectiveness of the technology has been confirmed through rigorous testing, showcasing higher hydrogen productivity and electron production compared to existing processes. Dr Jwa Eunjin, the lead researcher, expressed optimism about the commercialization of this technology, highlighting its potential to contribute significantly to achieving carbon neutrality and transitioning to a hydrogen-based society.