Furthermore, thanks to a century of ammonia use in agriculture, a vast ammonia infrastructure already exists. Worldwide, some **180 million metric tons (t)** of ammonia is produced annually, and 120 ports are equipped with ammonia terminals.
https://cen.acs.org/business/petrochemicals/ammonia-fuel-future/99/i8
https://www.forbes.com/sites/mitsubishiheavyindustries/2021/10/29/scaling-ammonia-production-for-the-worlds-food-supply/?sh=277d2ff368d1