@visioneerstv: What if the future of flight starts with a plane from the 1980s? By replacing one traditional engine with a hydrogen-electric system, ZeroAvia is transforming an existing aircraft into a lower-emission “green machine.” A cleaner future for aviation starts with visionary ideas like this. Watch The Visioneers with Zay Harding on CBS for more breakthrough ideas that help protect our planet. @volofoundation