This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "HARNESSING EMISSIONS INTO STRUCTURES TAKING INPUTS FROM THE ATMOSPHERE (HESTIA)".  The full solicitation on the HESTIA FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).