American Airlines has announced a significant partnership with ZeroAvia, a clean aviation innovator, to introduce hydrogen-electric engines to power regional jet aircraft. The agreement includes a conditional purchase of 100 engines and an increased investment in ZeroAvia. ZeroAvia is actively developing hydrogen-electric engines for commercial planes, with the aim of achieving close to zero inflight emissions, primarily emitting water vapor. This initiative aligns with American's ambitious target of achieving net-zero greenhouse gas emissions by 2050. The investment in ZeroAvia and the adoption of novel engine technology form part of American's broader sustainability efforts, complementing its fleet renewal strategy aimed at enhancing fuel efficiency. The collaboration between American Airlines and ZeroAvia represents a key milestone in advancing the transition of commercial aviation towards a low-carbon future. ZeroAvia's hydrogen-electric engines operate using fuel cells to generate electricity, subsequently powering electric motors for propulsion, with the only inflight emission being low-temperature water vapor. This technology offers the potential for significant cost savings, contributing to the industry's sustainability goals and paving the way for cleaner aviation practices. American Airlines' commitment to supporting innovation in clean aircraft propulsion signifies a positive shift towards environmental responsibility and underscores the importance of investing in alternative propulsion systems for the aviation sector. By partnering with ZeroAvia and embracing hydrogen-electric engine technology, American is making strides towards a more sustainable and eco-friendly aviation industry.