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The SUPORT consortium, led by IREC, has developed a process for producing sustainable maritime fuels from wastewater and CO₂, collaborating with the Port of Barcelona and other entities. This process supports the Port's Energy Transition Plan focused on decarbonisation.

It combines co-electrolysis and Fischer-Tropsch reactions, achieving CO conversion rates above 70% and selectivity for C5+ hydrocarbons over 80%. The resulting synthetic fuel is compatible with conventional marine diesel, aiding emissions reduction. The project aims to scale this technology for widespread use in maritime and land logistics, contributing to sustainability and climate neutrality goals by 2050.