The cost of manufacturing ammonia is generally lower than the cost of producing hydrogen as a fuel. This is because ammonia can be produced from readily available and inexpensive feedstocks, such as natural gas or nitrogen and hydrogen from renewable sources, while hydrogen typically requires more expensive and energy-intensive processes, such as steam methane reforming or electrolysis.
However, the cost of producing ammonia can vary greatly depending on the feedstock used, the process technology employed, and the scale of the production facility. For example, the cost of producing ammonia from renewable sources, such as wind or solar power, is generally higher than the cost of producing ammonia from fossil fuels, but it is also much more environmentally friendly.
In addition, the cost of using ammonia as a fuel also depends on factors such as the infrastructure and equipment needed for storage and transportation, as well as the cost of retrofitting existing vehicles and engines to use ammonia.
Overall, the cost of producing and using ammonia as a fuel is subject to many variables and can vary greatly depending on the specific circumstances. However, as the technology for producing and using ammonia as a fuel continues to improve and as the demand for sustainable fuel alternatives grows, the cost of producing and using ammonia is likely to become more competitive with other alternative fuels, such as hydrogen.