ZeroAvia, a California-based startup, is making strides in the aerospace industry by developing a hydrogen-powered aircraft engine. With successful test flights of a 19-seat plane using their innovative hydrogen-electric technology, ZeroAvia is on track to achieve certification in the U.K. by 2026. Their research and development hub at Cotswold Airport in Cirencester, U.K., houses a diverse team of 150 engineers from more than 30 countries, showcasing a global effort towards this groundbreaking technology. The collaboration with Japanese trading house Itochu suggests potential expansion into the Asian market. The aviation world is closely watching ZeroAvia's progress, as they aim to revolutionize the industry with environmentally friendly hydrogen-powered engines.