Dutch airline KLM is partnering with ZeroAvia to conduct a hydrogen-powered test flight within the next two years, aiming to revolutionize sustainable aviation with near-zero emissions. The collaboration will utilize ZeroAvia's ZA2000 hydrogen-electric engines to power the aircraft's electric motors, showcasing the potential of liquid hydrogen as an environmentally friendly fuel source for large regional jets. This technology is expected to significantly reduce in-flight climate impact compared to traditional jet fuel, with potential emissions reductions ranging from 50 to 90 percent. KLM's project includes an A-to-B demonstration flight in 2026 to gather critical data for future hydrogen-powered flights within its network. The airline is working on securing regulatory permits, ensuring a reliable supply of liquid hydrogen fuel, and establishing necessary infrastructure for aircraft fueling. The partnership aligns with Amsterdam Schiphol's trials of a hydrogen-based facility for ground operations, contributing to the broader effort to integrate hydrogen into both ground and in-flight operations to reduce the carbon footprint of air travel. ZeroAvia's recent $116 million investment signifies the industry's increasing focus on hydrogen-electric solutions, with KLM's collaboration marking a significant step towards achieving zero-emission flights and setting a new standard for sustainable aviation.