The French Space Agency (CNES) and the European Space Agency (ESA) are collaborating on a $40.5 million project at the Guiana Space Centre to produce hydrogen through solar-powered electrolysis, marking a major shift towards eco-friendly rocket fuel. This initiative, named Project Hyguane, focuses on utilizing renewable energy to generate hydrogen, reducing carbon emissions compared to traditional methods. The project aims to supply 12% of the necessary hydrogen for Ariane 6's nine annual flights, cutting over 3,000 tonnes of carbon dioxide emissions yearly. The Ariane 6 rocket, designed to handle a wide range of space missions, boasts a component-based structure with two customizable models – Ariane 62 and Ariane 64. Featuring a Vulcan 2.1 engine powered by liquid oxygen and hydrogen, Ariane 6 enhances efficiency while reducing weight. Its advanced design includes reusable components like the Vinci Engine in the upper stage, promoting multiple restarts for enhanced payload delivery and reducing space debris. The collaboration between CNES, ESA, and other partners in sustainable hydrogen production signifies a significant step towards eco-friendly space exploration. The innovation and efficiency improvements in the Ariane 6 rocket set the stage for cleaner and greener space missions, showcasing a positive outlook for the future of space technology.