The second edition of the National Green Hydrogen Congress held in Huelva, Spain, highlighted the crucial role of renewable hydrogen in industrial decarbonization and emphasized the necessity of public-private collaboration for its accelerated development. With over 1,400 attendees, the event showcased companies like MOEVE, formerly Cepsa, focusing on creating the Andalusian Green Hydrogen Valley. MOEVE's initiatives include biofuel and SAF plants for sustainable transport, aiming to reduce carbon content in fuel production. The company also plans methanol production to supply maritime transport in the future. The event featured key figures like the mayor of Huelva and representatives from ports discussing their roles in the hydrogen industry. International perspectives were provided by organizations like the International Maritime Organization, emphasizing the importance of ports in the global energy transition. The congress highlighted Andalusia's potential to lead the energy transition, showcasing Spain's advances in green projects and infrastructure development for a sustainable future.