While we're still worrying about crowded cities, the MIT developers are not idle, and they obviously impressed us with their foldable design last time around. This time we can see a short video showing how the car can transform. Of course, the car won't be able to produce energy in the short term. Obviously is a method, but how to make it have enough energy in the short term, needs better technical means, and the car can also use ID card for identity confirmation, can temporarily call the car in the front row, and then cycle back, which will be a new way of traffic use.