https://cleantechnica.com/2023/03/21/steel-is-a-major-climate-problem-but-we-have-proven-tools/

https://cleantechnica.com/2023/03/22/steel-is-a-major-climate-problem-but-can-decarbonize-rapidly-in-the-coming-decades/

https://cleantechnica.com/2023/03/24/steels-outsized-carbon-emissions-will-shrink-rapidly-in-coming-decades-even-as-demand-rises/

https://cleantechnica.com/2023/10/23/hydrogen-demand-is-going-to-fall-even-faster-in-updated-2100-projection/