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One force driving the development of electric vertical-lift technology is coming from an unusual source: United Therapeutics, a U.S. biotechnology company that is working to increase the availability of lungs and other organs for transplant.

Led by CEO Martine Rothblatt, United Therapeutics (UT) is backing three different efforts to develop electric vertical-takeoff-and-landing (eVTOL) vehicles to meet a projected need for 1,000 organ-delivery aircraft by the end of the decade.

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Credit: Beta Technologies