American Airlines, as detailed in their 2023 Sustainability Report, is actively contributing to the decarbonization of aviation by investing in hydrogen technology and supporting innovative solutions in the industry. The airline acknowledges the importance of near-term actions to boost efficiency and expand the use of Sustainable Aviation Fuel (SAF) while focusing on next-generation aircraft powered by low- and no-carbon fuel sources. Hydrogen is highlighted as a key player in decarbonizing aviation, offering a low-carbon energy source when produced using renewable electricity. However, challenges remain in terms of energy density, distribution, and cost competitiveness. American Airlines is collaborating with ZeroAvia to advance hydrogen-electric propulsion technology for regional jets. ZeroAvia's innovative hydrogen-electric powertrains aim to replace traditional engines with zero-emissions technology, using green hydrogen produced through electrolysis. American has shown commitment by entering a conditional purchase agreement for 100 hydrogen-electric engines from ZeroAvia. In addition to hydrogen, American Airlines is involved in other critical next-gen aircraft technologies. The airline is part of a coalition advising the Sustainable Flight Demonstrator project with Boeing and NASA, focusing on advancements in propulsion systems for reduced fuel consumption and emissions. American has also invested in Vertical Aerospace Ltd., supporting the development of emissions-free electric vertical takeoff and landing aircraft. Overall, American Airlines' proactive involvement in advancing hydrogen technology and sustainable aviation demonstrates a positive sentiment towards embracing innovative solutions for a greener future in the aviation sector.