“…In particular, the blast furnace/basic oxygen furnace route, which uses 13e14 GJ per ton of iron produced, is much more energy intensive than the scrap/electric arc furnace route, which uses 4e6 GJ per ton of iron produced when using 100% scrap. The emissions of about 1.9 tons of CO 2 per ton of steel produced are attributed to this sector [41].…”