1. Hatfield O (2020) A review of global ammonia supply. In: NH3 energy conference
2. IRENA, Ammonia Energy Association (2022) Innovation outlook: renewable ammonia. IRENA. https://www.irena.org/-/media/Files/IRENA/Agency/Publication/2022/May/IRENA_Innovation_Outlook_Ammonia_2022.pdf
3. Laval A, Hafnia HT et al (2020) Ammonfuel—an industrial view of ammonia as a marine fuel. https://www.topsoe.com/hubfs/DOWNLOADS/DOWNLOADS%20-%20White%20papers/Ammonfuel%20Report%20Version%2009.9%20August%203_update.pdf
4. David B et al (2020) Ammonia: zero-carbon fertiliser, fuel and energy store. The Royal Society. https://royalsociety.org/-/media/policy/projects/green-ammonia/green-ammonia-policy-briefing.pdf
5. Bicer Y, Dincer I, Zamfirescu C et al (2016) Comparative life cycle assessment of various ammonia production methods. J Clean Prod 135:1379–1395. https://doi.org/10.1016/j.jclepro.2016.07.023