Wärtsilä and the Korean shipbuilding company Samsung Heavy Industries (SHI) have signed a joint development program (JDP) agreement aimed at developing ammonia-fueled vessels with 4-stroke auxiliary engines available for future newbuild projects. Both parties recognise the importance of future carbon-free fuels in the marine industry’s drive towards decarbonization. The agreement was signed in July 2021. Wärtsilä has a leading role in developing engines for operation on future clean fuels, and has already successfully tested an engine running with a fuel mix containing 70% ammonia. The company anticipates having an engine concept capable of operating with 100% ammonia in 2023. There is a lot of interest from owners and operators in the potential for new clean-burning fuels, and ammonia is thought to be among the most promising of these candidates. Wärtsilä has already made significant progress in testing ammonia, and we are pleased to work together with them to bring […]