Boeing, a key player in the aviation industry, presented its forward-looking vision for sustainable aviation at the Hysky conference in Marseille, diverging from its competitor Airbus by focusing on hydrogen and its derivatives. Steven Gillard, the face of Boeing's sustainability efforts in Europe, emphasized the company's extensive experience with Sustainable Aviation Fuel (SAF) and its partnership with various entities for advancing SAF production. Boeing's commitment to making all its aircraft SAF-compatible by 2030 aligns with industry standards. Additionally, the company's history with hydrogen, dating back to 2008, showcases its pioneering efforts in adopting alternative fuels. The presentation at Hysky outlined Boeing's hydrogen timeline, predicting the gradual integration of hydrogen in aviation over the next decades. While initial applications are expected in small commuter aircraft by 2025, the company envisions hydrogen's potential in regional and short-haul flights by the 2030s. Notably, the focus shifts to medium-haul aircraft by 2040, with hydrogen playing a significant role in reducing carbon emissions. However, for long-haul flights post-2050, Boeing's projections prioritize Sustainable Aviation Fuel. Although challenges persist in scaling hydrogen technologies, Boeing's proactive approach and collaborations indicate a positive outlook for the future of sustainable aviation. By investing in both SAF and hydrogen, the company showcases its commitment to environmental sustainability and innovation in the aerospace sector, promising a greener trajectory for air travel in the coming decades.