In a groundbreaking collaboration, Turbotech, Safran, and Air Liquide conducted successful ground tests of turbine engines powered by liquid hydrogen for light aviation applications. The project, part of the BeautHyFuel initiative, aims to explore the feasibility of using hydrogen as a fuel source in the aviation sector. Safran and Turbotech had previously tested a turboprop engine with hydrogen gas, and the recent test with liquid hydrogen marks a significant advancement. The collaboration leverages the expertise of each company, with Turbotech specializing in efficient turbine technologies, Safran in propulsion systems, and Air Liquide in hydrogen storage. The successful test signifies a crucial step towards decarbonized aircraft propulsion and showcases the potential of hydrogen as a cleaner alternative to traditional fossil fuels. Despite the challenges related to nitrogen oxide emissions at high temperatures, hydrogen's environmental benefits, including its emission of only water when burned at low temperatures, make it a promising option for sustainable aviation. Liquid hydrogen, despite being more challenging to handle and store, offers higher energy density and potential for longer flight ranges compared to gaseous hydrogen. The project's success is seen as a positive development in advancing low-carbon flying and highlights the role of hydrogen in the energy transition within the aviation industry.