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Burning ammonia produces no greenhouse gasses but does produce moderate amounts of nitrogen oxides

Burning ammonia can produce nitrogen oxides (NOx), which are harmful pollutants and contribute to air quality issues and the formation of acid rain.1 NOx emissions are a significant concern when considering ammonia as a fuel, and effective control technologies and high-quality engineering are necessary to mitigate these emissions.2

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Footnotes​

  1. Bertagni, M. B., Socolow, R. H., Martirez, J. M. P., Carter, E. A., Greig, C., Ju, Y., ... & Porporato, A. (2023). Minimizing the impacts of the ammonia economy on the nitrogen cycle and climate. Proceedings of the National Academy of Sciences, 120(46), e2311728120. ↩

  2. Poore, C. (2023, November 7). Ammonia fuel offers great benefits but demands careful action. Princeton University. https://engineering.princeton.edu/news/2023/11/07/ammonia-fuel-offers-great-benefits-demands-careful-action ↩