At MAN Energy Solutions’ Research Centre Copenhagen (RCC), the company has successfully run a test engine on ammonia with positive results regarding pilot oil amount and combustion stability. The engine used was a MAN B&W two-stroke 4T50ME-X type.

“This marks a major milestone on our road to developing a full-scale two-stroke ammonia marine engine,” said Gunnar Stiesch, chief technical officer, MAN Energy Solutions. “It’s been a historic week for our team at the RCC where a lot of groundwork and research has now paid off and we have gained a deep understanding of ammonia’s unique characteristics as a marine fuel, as well as its effects on fuel supply and safety systems. This successful combustion represents yet another important step towards decarbonizing the marine market and bringing big things to zero.”

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