Three challenges stand in the way of filling the sky with drones and flying cars.
The first two — money and technology — are being tackled with zeal. Huge sums are flowing into aerial vehicle start-ups; Joby Aviation, for example, raised a staggering $590m for its vision of flying taxis in December. Meanwhile, almost 70 prototypes are in development, with backing from the likes of Toyota, Hyundai and Daimler.
Mark Groden, chief executive of Skyryse, whose system can fully automate helicopter flights, said it was “entirely possible” to offer low-cost taxi flights “with technology that already exists today”.
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