Zunum Aero plans to make regional flight service cheaper, faster, and greener with its 12-seater hybrid jet
The aviation industry has made steady progress in cutting its fuel use and carbon emissions. Planes have become lighter, engines more efficient, and airlines are starting to use biofuel blends and to better manage their traffic flow in order to save money and reduce emissions.
Still, aviation produces about 2 percent o…
IEEE Spectrum Green Tech