Is your flying car finally here? Explore the features of the TF-X: http://t.co/Fzk3f4NBrt pic.twitter.com/cJhbz5xkwR

— CNN (@CNN) April 7, 2014

Thus, Boston -based Terrafugia announced last May it had started working on the concept of TF-X, a four-seat, plug-in hybrid electric car that can do vertical take-offs and landings.