Airbus and its partner Local Motors have just finished a successful design challenge for delivery drones that can carry things like emergency medical supplies to selected destinations. Recent announcements and the release of a patent drawing show Airbus is doing serious work toward delivering humans to their selected destinations in a scaled-up version of such drones. Many brilliant people have tried to combine the benefits of ground and air transport over the years, including Molt Taylor, designer of the rightly famous Aerocars. The example at Seattle’s Museum of Flight causes docents to lower their voices out of respect for the accomplishment. That’s certainly a concept promoted for last decade by Dr. Brien Seeley, head of the Sustainable Aviation Foundation and sponsor for this blog. His AIAA paper on Regional Sky Taxis spells out his hopes for alleviating ground-bound gridlock with aerial alternatives. Recently, Airbus formed a group in California’s Silicon Valley called A3, or A Cubed. The group earned a …