An electric plane's recent flight in Florida could unlock the door toward a cleaner future for aviation. What happened? According to the Sarasota Herald-Tribune, Florida-based test pilot and engineer Miguel Iturmendi achieved a major feat. He completed a test flight in an electric plane powered by solid-state batteries. The Helios Horizon, the electric aircraft developed and piloted by Iturmendi, conducted the test flight in Sarasota, Florida. …