Japanese researchers at the RIKEN Institute have made a groundbreaking discovery in the field of hydrogen production by developing a new method that utilizes manganese to significantly boost output. This innovative approach involves modifying manganese to create an efficient PEM electrolyzer, which enhances hydrogen production by a remarkable 1,000%. The key advantage of this method is the elimination of expensive rare metals like iridium, making the production of green hydrogen more cost-effective and sustainable. The traditional method of producing hydrogen through PEM electrolysers had limitations due to the high costs associated with using rare metals and efficient catalysts. However, the new manganese oxide (MnO2) catalyst developed by the Japanese researchers offers increased stability and efficiency, outperforming other non-noble metal catalysts in water electrolysis. This breakthrough not only reduces production costs but also promotes a greener future by making green hydrogen more accessible on a larger scale. The discovery by the RIKEN Institute opens up possibilities for a more sustainable approach to hydrogen production, with the potential to revolutionize the energy sector. The manganese-based catalyst has shown remarkable performance in laboratory tests, operating for over 1,000 hours and producing significantly more hydrogen compared to other materials. The long-term goal of this research is to create an iridium-free process for water electrolysis, further enhancing the affordability and sustainability of green hydrogen. Overall, this game-changing discovery by Japanese researchers paves the way for a brighter and cleaner future, where green hydrogen can play a vital role in reducing carbon emissions and transitioning towards a fossil-free energy landscape.