Hydrogen for NH3 comes from natural gas reforming: CH4 + H2O → H2 + CO2. ≈1.6–2.4 t CO2/t NH3 on the SMR route. Green hydrogen replaces this at the source.
From our guide: Decarbonizing Ammonia & fertilizers — full context, charts and sources there.
Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets: