It is not exactly a new idea. The first ammonia engine was built in in the early 1800s. There is a lot of history with this fuel, and a lot of history of it be

It is not exactly a new idea. The first ammonia engine was built in in the early 1800s. There is a lot of history with this fuel, and a lot of history of it being replaced with something better. https://en.wikipedia.org/wiki/Goldsworthy_Gurney https://en.wikipedia.org/wiki/Goldsworthy_Gurney (see Other work)