American Airlines has partnered with ZeroAvia to purchase 100 hydrogen-electric engines for regional jet aircraft, furthering its commitment to sustainable aviation. This agreement follows American's initial investment in ZeroAvia in 2022 and the companies' previous Memorandum of Understanding. The move aligns with American's goal to achieve net-zero greenhouse gas emissions by 2050. ZeroAvia, a clean aviation innovator, is developing hydrogen-electric engines that generate electricity using fuel cells, with the only inflight emission being water vapor. The partnership also includes American increasing its investment in ZeroAvia, supporting the company's mission of delivering clean aircraft propulsion. ZeroAvia's technology aims to power commercial aircraft with close to zero inflight emissions, contributing to a more sustainable aviation industry. Both companies are dedicated to advancing technologies that enable a low-carbon future for aviation, with ZeroAvia working on larger powertrains for different aircraft sizes. American Airlines' investment in sustainability extends to partnerships for sustainable aviation fuel and carbon removal processes, demonstrating its leadership in environmental initiatives within the aviation sector.