Life-Cycle Assessment of Innovative Solar-Based Methane/Carbon Monoxide Production Process Giorgio Bonvicini*1, Pasquale Pinto1, Sara Abd Alla1, Andrea Pestarino1, Kai Risthaus2, Jonathan van den Ham3, Nicole Meulendijks3, Pascal Buskens3   1 RINA Consulting S.p.A. – Via A. Cecchi, 6 – 16129 Genova, Italy 2 Deutsches Zentrum für Luft-und Raumfahrt (German Aerospace Center) - DLR, Institute of