Yanmar Receives ClassNK Certification for Hydrogen 4-Stroke Engine in Japan
HYDROGEN
Yanmar Power Solutions has received type approval and NOx certificates from ClassNK for its hydrogen-fueled 4-stroke high-speed engine, part of the Nippon Foundation's Zero Emission Ships Project. The certifications were obtained in late 2025, with plans to install two engines on domestic vessels for demonstration trials in fall 2026, alongside a hybrid electric propulsion system developed with Uyeno Transtech Co., Ltd.

Jan 28, 2026, 8:43 PM