FORT WORTH, Texas and EVERETT, Wash., July 02, 2024 (GLOBE NEWSWIRE) -- American Airlines today announced that it has entered into a conditional purchase agreement with clean aviation innovator ZeroAvia for 100 hydrogen-electric engines intended to power regional jet aircraft with zero inflight emissions save for water vapor. In addition, American has increased its investment in ZeroAvia. American made its first investment in ZeroAvia in 2022 and has also now participated in the company's Series C financing ...