The press release from Vattenfall relates to a research program called Hybrit. Vattenfall (an energy company), together with the iron ore company LKAB, the steel manufacturer SSAB, and Luleå University of Luleå (LTU) are partners in the project.

For more details about Hybrir see: https://www.hybritdevelopment.se/en/a-fossil-free-future/ https://www.hybritdevelopment.se/en/research-project-1/

The research group list of papers (not all of them related to Hybrit): https://www.ltu.se/research/subjects/Processmetallurgi/Publi...<

A working paper related to Hybrit: https://cdn.sei.org/wp-content/uploads/2020/07/bigger-is-som...