Austrian Airlines has made significant strides in pioneering hydrogen-powered aircraft maintenance, showcasing a successful pilot test at Vienna Airport. By utilizing an H2Genset hydrogen generator and frequency converter, the airline provided emission-free power supply for an Airbus A320 during regular maintenance tasks, significantly reducing CO2 emissions compared to traditional diesel-powered energy sources. The initiative is estimated to save approximately 60,000 kg of CO2 annually, emphasizing the airline's commitment to sustainability and environmental responsibility. Austrian Airlines plans to further explore and implement this innovative technology at its Vienna hub, aiming to establish expertise and infrastructure for hydrogen-powered mobile energy supply in the aviation sector. Furthermore, the airline is proactively adopting additional sustainable practices, including the introduction of electrical ground power units and eco-friendly cleaning techniques like Test-Fuchs’ Waliclean system and Water Separator WSS4. These measures align with Austrian's goal of reducing environmental impact and promoting cleaner aviation operations. Additionally, Austrian Airlines is investing in cutting-edge technology such as Lufthansa Technik’s AeroSHARK film to enhance fuel efficiency on its Boeing 777-200ER aircraft, with expected CO2 savings exceeding 8,600 metric tons by 2025. This holistic approach underscores Austrian Airlines' commitment to innovation, sustainability, and emissions reduction in the aviation industry.