D1.1 – Kick off meeting D3.8 – Report on Factory-acceptance testing of the SO-FREE prototype system D4.8 – Integrated life cycle sustainability assessment D5.2 – Project Identity, Website and Social Pages D5.3 – Project promotional material D5.7 – Stakeholder Workshop: Final Report on Project Results, Stakeholder Engagement and Future Perspectives D5.8 – Proposal for a Standardized Stack-System Interface Presented to IEC