Everllence is aiming to provide the primary ammonia engine, the Everllence B&W ME-LGIA, into a shipyard in 2025. It will be readily available as newbuild or retrofit. classicT mentioned: I think that you are considering the IRC, which has the allowance for 3 or fewer risers comparable to exception #4 https://ibccontainergebraucht90011.blogrelation.com/42953990/indicators-on-container-kaufen-you-should-know