1. IEA (2020) Iron and steel technology roadmap. IEA, Paris. https://www.iea.org/reports/iron-and-steel-technology-roadmap. Accessed 8 Oct 2021
2. IEA (2021) Net zero by 2050. IEA, Paris. https://www.iea.org/reports/net-zero-by-2050. Accessed 8 Oct 2021
3. European Commission. https://ec.europa.eu/clima/policies/ets_en. Accessed 8 Oct 2021
4. European Commission. https://ec.europa.eu/info/strategy/priorities-2019-2024/european-green-deal_en. Accessed 8 Oct 2021
5. Birat JP, Lorrain JP, de Lassat Y (2009) The ‘CO2 Tool’: CO2 emissions & energy consumption of existing & breakthrough steelmaking route. La Revue de Métallurgie 106(9):325–336