This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "Energy and Carbon Optimized Synthesis for the BioEconomy (ECOSYNBIO)".  The full solicitation on the ECOSYNBIO FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).