The Digest’s 2025 Multi-Slide Guide to Ammonia for 4-stroke Marine Dual Fuel and Gas Engines (Retrofits and New)

This R&D integrates engine experiments and catalytic decomposition to maximize ammonia utilization in 4-stroke marine engines. Technical advances include fully commissioned safety systems and demonstrating over 95% diesel replacement using dual-fuel strategies. The impact is accelerating maritime decarbonization, achieving an 85% reduction in CO2-equivalent emissions by addressing challenging fuel properties and N2O formation.