Next time your car breaks down, just look to the skies - Ford could unleash rescue drones to jumpstart dead batteries of vehicles stranded on the side of the road. The American automobile maker published a patent Tuesday for a system that uses aerial vehicles fitted with three-pronged hands that open the hood to apply jumper cables or a direct charge.The document describes the vehicle, whether passenger or commercial, detects a low battery and transmits a signal to a central computer that sends a fleet.
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