Dutch airline KLM and British-American startup ZeroAvia have joined forces to develop a liquid hydrogen-powered turboprop aircraft, with plans to showcase a flight demonstration in 2026. ZeroAvia's expertise lies in constructing hydrogen-electric powertrains that can be fitted onto both new and existing aircraft, backed by substantial funding from industry giants like Airbus and Amazon. The ZA2000 engine, a new creation by ZeroAvia, is set to empower an 80-passenger aircraft to travel up to 1,600 kilometers, potentially transforming the sector. KLM's involvement includes assisting ZeroAvia in selecting suitable flight routes and airports, securing necessary permits, and ensuring the availability of liquid hydrogen fuel. The Netherlands, a significant hydrogen producer, is poised to play a key role in this venture. ZeroAvia has made significant progress with its ZA600 hydrogen-electric powertrain, having successfully operated a smaller hydrogen plane. The upcoming ZA2000 engine, fueled by liquid hydrogen, presents further advancements towards sustainable aviation. One of the main challenges lies in the handling of liquid hydrogen, which requires specialized cryogenic tanks due to its extremely low liquefaction temperature. Despite obstacles, ZeroAvia has conducted advanced ground tests, including successful trials with the ZA2000 system and cryogenic tanks. In an effort to combat carbon emissions, airlines are exploring various alternatives, with hydrogen-powered planes emerging as a promising solution. ZeroAvia's vision for zero-emission flight relies on the widespread availability of green hydrogen, produced using renewable energy sources. While the journey towards clean hydrogen energy faces hurdles, the commitment from industry players and the growing demand for ZeroAvia's powertrains indicate a positive momentum towards sustainable air travel.