Most hydrogen-powered flying cars are still in development, and only a handful have progressed beyond concept studies. If the project reaches certification, it could become one of the first hydrogen-powered aircraft targeted specifically at personal and executive transportation. Dragonfly DF600 Hydrogen Concept The Dragonfly DF600 represents another effort to combine hydrogen propulsion with personal air mobility. For these reasons, most hydrogen-powered flying cars remain in the prototype or development phase rather than commercial operation. The road ahead Hydrogen-powered flying cars are unlikely to replace conventional automobiles anytime soon, but they represent an intriguing direction for next-generation aviation.