Imagine flying over the city in a pilotless, electric-powered aircraft that can take you from point A to point B in minutes without a pilot onboard. Sounds like science fiction, right? Well, not anymore. China-based Ehang has become the world’s first company to receive airworthiness certification for its fully autonomous, passenger-carrying air taxis. What are electric air taxis? Ehang’s EH216-S air taxis are electric vertical take-off and landing (eVTOL) aircraft that can carry up to two passengers or 600 pounds of cargo. They are powered by 16 electric rotors and can fly at speeds of up to 80 mph and...