Ammonia-fuelled engines edge toward service

Ammonia - World-First Type Approval and Factory Acceptance Testing for Ammonia-Fueled Two-Stoke Engine

Ammonia – World-First Type Approval and Factory Acceptance Testing for Ammonia-Fueled Two-Stoke Engine EXMAR is proud to announce a major step forward in its drive to advance ammonia as a zero-carbon marine fuel. In January 2026, Type Approval Testing (TAT) and Factory Acceptance Testing (FAT) were successfully completed for the world’s first ammonia-fueled two-stroke marine engine, which will power one of EXMAR’s next-generation 46,000 m³ LPG/a…

WinGD ammonia-fueled two stroke completes TAT and FAT testing

Swiss-headquartered engine developer WinGD has achieved a major milestone with the completion of both Type Approval Testing (TAT) and Factory Acceptance Testing (FAT) of a 52-centimeter bore ammonia-fueled X52DF-A-1.0 two-stroke engine. The engine is to be installed on a 46,000 cubic meter LPG/ammonia carrier on order for EXMAR. The X-DF-A engine features high-pressure ammonia injection supplemented by a low, targeted pilot fuel dose of around f…

Ammonia-fuelled engines edge toward service

Swiss engine designer WinGD has completed what is said to be the first type approval and factory acceptance testing programme for an ammonia-fuelled two-stroke marine engine, moving ammonia propulsion closer to commercial use. The tests on the X52DF-A-1.0 engine were completed in January at the engine works of HD Hyundai Heavy Industries in South Korea. …