This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "DE-FOA-0003117 Revolutionizing Ore to Steel to Impact Emissions (ROSIE)".  The full solicitation on the ROSIE FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).