en.Wedoany.com Reported - Everllence's ME-LGIA ammonia combustion engine passed the Type Approval Test (TAT) from June 10 to 12, 2026, at the Copenhagen Research Center (RCC), with eight classification societies overseeing the process. This result means the engine is ready for onboard installation, marking the final testing phase before actual sea trials and gas tests.

The engine adopts the diesel principle and a dual-fuel liquid gas injection concept, which has accumulated hundreds of thousands of operating hours of reliable records on related engine platforms. Everllence announced the launch of ME-LGIA ammonia engine development in 2019. Bjarne Foldager, Head of Two-Stroke Business, stated that the TAT confirms the Everllence B&W ME-LGIA is ready for onboard installation, marking a practical shift from concept development to marine engine operation.

Everllence held a two-day event in Copenhagen in November 2025 to formally promote the ME-LGIA engine. The company noted that the ammonia TAT is also crucial for refining the International Maritime Organization (IMO) ammonia regulations, as rules and guidelines must align with reality to optimize onboard safety. The first ammonia-powered vessels are expected to enter marine operation during 2026.

Ole Pyndt Hansen, Senior Vice President of Two-Stroke R&D at Everllence, stated that industry experience will provide strong input for the development of relevant guidelines. This TAT also marks the last such test conducted by the company at the Copenhagen RCC, as it plans to relocate to a new site outside the city by the end of 2027.

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