Article

The International Association of Classification Societies (IACS) has updated its Unified Requirement UR M78 to include ammonia as an approved fuel for marine engines, promoting decarbonization in the maritime sector. The revision introduces new safety standards for ammonia-fuelled engines, including measures for gas recovery systems and toxic hazard mitigation. Effective from July 1, 2027, this framework aims to assist shipowners and manufacturers in transitioning to zero-carbon shipping.