Tech Tree / Process water process-water Process water Intermediate Mars-native TRL Mars — Energy intensity — Required by 1 Requires 3 Inputs: Subsurface water ice Recycle inputs: Methanol synthesis Methanol-to-olefins (MTO) Requires Inputs Subsurface water ice Raw material Recycled from Methanol synthesis Process Methanol-to-olefins (MTO) Process Required by Water electrolysis Process · input Participates in loops water-recycle