On July 3rd, Glonui reports that American Airlines has agreed to purchase 100 hydrogen-powered engines from aviation startup ZeroAvia. As part of the Series C financing, American Airlines has also increased its investment in ZeroAvia, but the details of the transaction have not been disclosed. ZeroAvia is reportedly developing hydrogen-powered engines for commercial aircraft aimed at achieving near-zero flight emissions. The company is conducting flight tests on a prototype aircraft with 20 seats and designing engines for large aircraft such as Bombardier CRJ700, which American Airlines operates on certain routes in some regions. American Airlines CEO Robert Isom said in a statement that investing in promising technologies is necessary to transition commercial aviation to a low-carbon future. The airline has set a goal of achieving net-zero greenhouse gas emissions by 2050.