New Yorkers this week are getting a glimpse of the future of aviation, as electric air taxis soar across the city’s network of airports and heliports for the first time. After conducting a handful of test flights over the weekend, a Joby Aviation production prototype eVTOL (electric vertical takeoff and landing) aircraft lifted off Monday from John F. Kennedy International (KJFK), marking the first time an electric air taxi has departed one of New York City’s three major airports. It touched dow...