KLM and Transavia have partnered with Elysian Aircraft and Conscious Aerospace to advance sustainable aviation through innovative battery-electric and hydrogen fuel cell technologies, marking a significant step toward greener business travel. These collaborations, focused on developing Elysian’s 90-passenger E9X electric aircraft and Conscious Aerospace’s hydrogen-powered Dash 8-300, aim to decarbonise aviation by integrating airline expertise into cutting-edge propulsion systems.