Editing Coke (fuel) (section)

==Alternatives to coke==
Scrap steel can be recycled in an [[electric arc furnace]]; and an alternative to making iron by smelting is [[direct reduced iron]], where any carbonaceous fuel can be used to make sponge or pelletised iron. To lessen carbon dioxide emissions [[hydrogen]] can be used as the reducing agent<ref>{{Cite news|url=https://www.bloomberg.com/news/articles/2019-08-29/how-hydrogen-could-solve-steel-s-climate-test-and-hobble-coal|title=How Hydrogen Could Solve Steel's Climate Test and Hobble Coal|newspaper=Bloomberg.com|date=29 August 2019|access-date=2019-08-31}}</ref> and [[biomass]] or waste as the source of carbon.<ref>{{cite web |title=Coking Coal for steel production and alternatives |url=https://leard.frontlineaction.org/coking-coal-steel-production-alternatives/ |publisher=Front Line Action on Coal |access-date=1 December 2018}}</ref> Historically, charcoal has been used as an alternative to coke in a blast furnace, with the resultant iron being known as [[charcoal iron]].