The Massachusetts Institute of Technology's (MIT) Smart Cities team has developed a solution for smart cities of tomorrow. In order to resolve the issues of traffic congestion they have proposed "stackable" cars. The idea is that the cars--similar to golf carts would be a public item that you would rent much like a Zip Car. The cars could be stowed much like shopping carts--as the cars are able to be compacted into a small space.
The cars would be electric powered and charged when they are stacked in storage. The plan is only for city driving at the moment, but the potential to use them more widely is there.
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Creative Innovations