HYDROGEN AND FUEL CELL TECHNOLOGIES OFFICE (HFTO) FY 2021 FUNDING OPPORTUNITY ANNOUNCEMENT (FOA) THE HFTO FY21 FOA WILL BUILD UPON THE FY19 H2@SCALE AND FY20 H2@SCALE NEW MARKETS FOAS BY ENHANCING THE PERFORMANCE AND DURABILITY AND REDUCING COST OF HEAVY DUTY (HD) FUEL CELL COMPONENTS, EXPANDING HYDROGEN PRODUCTION VIA HIGH-TEMPERATURE ELECTROLYSIS AND BIOLOGICAL-BASED WASTE CONVERSION TECHNOLOGIES, GROWING THE DOMESTIC SUPPLY CHAIN FOR HD HYDROGEN FUELING STATIONS, AND COST ANALYSIS FOR HYDROGEN AND FUEL CELL TECHNOLOGIES. TOPICS COVER R&D ON: -FUEL CELLS FOR HEAVY DUTY APPLICATIONS IN COORDINATION WITH THE MILLION MILE FUEL CELL TRUCK CONSORTIUM. -HYDROGEN PRODUCTION THROUGH HIGH TEMPERATURE (HIGH-T) ELECTROLYSIS IN COORDINATION THE H2NEW CONSORTIUM, AS WELL AS BIOLOGICAL PROCESSES THAT USE WASTE. -HYDROGEN INFRASTRUCTURE ACTIVITIES TO DEVELOP SUPPLY CHAIN COMPONENTS AND VALIDATE HYDROGEN FUELING TECHNOLOGIES, AND -INDEPENDENT COST ANALYSIS OF HYDROGEN PRODUCTION, STORAGE AND FUEL CELL TECHNOLOGIES