Dr. Martine Rothblatt, Chairperson and CEO of United Therapeutics Corporation—a biotechnology company—announced that their Unither Bioelectronics subsidiary successfully completed the world’s first lift-off of Proticity, a proof-of-concept hydrogen fuel cell-powered Robinson R44 helicopter, on March 27, 2025, at Roland-Désourdy Airport in Bromont, Québec, Canada.
