Currently that is the case. As the article points out: Most of the world’s ammonia is synthesized using Haber–Bosch, a century-old process that is fast and fa

Currently that is the case. As the article points out: Most of the world’s ammonia is synthesized using Haber–Bosch, a century-old process that is fast and fairly efficient. But the factories emit vast amounts of carbon dioxide (CO2). However they have invented a gentler, greener alternative. A reverse fuel cell uses renewable electricity to drive a chemical reaction that makes ammonia..