HD Hyundai Heavy Industries Builds World's First Ammonia-Powered Vessel
Naming ceremony held for two mid-sized gas carriers equipped with ammonia dual-fuel engines Ammonia projected to account for 46% of global marine fuel by 2050 "HD Hyundai Heavy Industries will continue to lead the global eco-friendly ship market through technological innovation" SEOUL, South Korea, April 9, 2026 /PRNewswire/ -- HD Hyundai Heavy Industries (HHI) said it has built the world's first ammonia-powered vessel and held a naming ceremony on March 9 for two such ships at its Ulsan shipyard. The ceremony marked the naming of two 46,000-cubic-meter mid-sized gas carriers equipped with dual-fuel (DF) engines.