Perspectives on the reducing CO2 emissions of gas-based DRI in steelmaking Damodar Mittal, Jayanta Kumar Kundoo, Ajay Kumar Bisen and Hari Prakash Tiwari Metall. Res. Technol., 119 4 (2022) 404 Published online: 29 June 2022 DOI: 10.1051/metal/2022040