Japan's Yanmar Power Technology (YPT) is leading a pioneering initiative to develop a hydrogen-fired 4-stroke High-speed Japanese engine for coastal shipping, aligning with the Nippon Foundation's decarbonization goals. The hydrogen engine project by Yanmar aims to address the environmental impact of the shipping industry by offering a realistic pathway towards zero-emission operations. Yanmar's hydrogen-fueled engine produces no CO2 emissions, with plans to develop pilot-ignition and spark-ignition versions for verification tests starting in 2024. The company's focus on hybrid electric propulsion, including the development of a hydrogen engine-compatible vessel, demonstrates a commitment to sustainable maritime solutions. Collaborations with companies like Kawasaki Heavy Industries and Amogy highlight Yanmar's strategy to advance hydrogen technology in marine engines, showing a proactive approach towards reducing the maritime industry's carbon footprint. Yanmar's emphasis on zero emissions and the creation of hydrogen engines and hybrid propulsion systems position the company as a key player in transforming the shipping industry towards a more sustainable future.