Yanmar Power Technology, a part of Yanmar Holdings, has successfully completed a land-based test of a pilot-ignition four-stroke high-speed hydrogen fuel engine geared towards power generation in coastal vessels. The test was conducted under the Nippon Foundation's zero-emission ship demonstration experiment and resulted in a rated output of approximately 500 kW. This engine utilizes a small amount of diesel fuel along with a mix of hydrogen and air. Moving ahead, Yanmar plans to continue trials using biofuel as the pilot while aiming for class certification by 2026 for demonstration operations, with the ultimate objective of developing hydrogen-powered zero-emission ships. They are also working on a hybrid electric propulsion vessel compatible with a hydrogen engine, featuring a containered hydrogen generation system. Notably, Yanmar is also developing an engine that will operate solely on hydrogen, with the vision of achieving a zero-emission coastal vessel utilizing hydrogen energy by 2030. In parallel, the company has introduced the HP35FA1Z compact hydrogen fuel cell power generation system, boasting a high power generation efficiency of 51.2% and delivering 35 kW without emitting CO2 or NOx. This system, based on a proton exchange membrane fuel cell, allows up to 16 units to be combined and adjusted for power output based on demand and fuel availability. The HP35FA1Z system is currently available for purchase.