The Viking Energy, an oil platform supply shipundergoing a pioneering retrofit to run on ammonia fuel, is now scheduled to begin operations in 2026—two years later than initially planned. Once completed, it will be the first vessel capable of operating full-time on ammonia, marking a major milestone in efforts to reduce carbon dioxide (CO2) emissions in the maritime industry.IEEE Spectrum previously reported on ammonia as a potential replacement for petroleum fuels in the shipping industry in 20...