ZeroAvia, an aviation company, is at the forefront of revolutionizing the industry by developing a hydrogen-electric propulsion system for aircraft. Unlike electric batteries, which are too heavy for planes, the hydrogen-based system offers a lighter and more sustainable solution. ZeroAvia's system draws power from hydrogen fuel cells, blending the benefits of electric and hydrogen power to create a cleaner alternative to traditional fossil fuels. The company's partnership with Jetcruzer International has resulted in the creation of the Jetcruzer 500E, a hydrogen-electric aircraft set to be released in 2028, with a larger version, the 1250E, expected by 2030, promising zero-emission flights. ZeroAvia is also planning to reengineer a de Havilland Dash 8-400 using their ZA2000 propulsion system, tailored for regional aircraft carrying between 40 and 80 passengers. This initiative is aimed at reducing carbon emissions and advancing sustainable aviation solutions. ZeroAvia's visionary approach towards combining hydrogen and electric technology signifies a significant step forward in the aviation industry's transition towards cleaner energy sources.