Austrian Airlines is taking a significant step towards sustainable aviation by implementing a pilot project at Vienna Airport that utilizes hydrogen as an alternative energy source. The project involves testing the 'H2Genset' hydrogen generator from Testfuchs to power maintenance work on an Airbus A320, showcasing the potential for emission-free operations. This initiative not only aims to reduce immediate emissions but also serves as a platform for skill development and infrastructure familiarization. Success in this project could lead to a future where hydrogen plays a vital role in mobile energy supply at the airport, benefiting not only Austrian Airlines but the entire aviation industry's ecological footprint. As part of the Lufthansa Group, Austrian Airlines aligns with the goal of achieving a neutral CO₂ balance by 2050, with a focus on fleet modernization, operational optimization, and sustainable aviation fuel usage. Despite challenges in infrastructure development and economic incentives, the industry sees hydrogen as a promising solution to reduce CO₂ emissions significantly. The pilot project by Austrian Airlines exemplifies the industry's commitment to exploring innovative ways to combat climate change while ensuring economic viability.