Cocoa Motors' WalkCar transports passengers on a laptop-sized board
A Japanese inventor has developed the "world's smallest electric car" – an aluminium board with wheels that carries a passenger like a Segway and fits into a backpack Kuniaki Sato's company Cocoa Motors is set to launch the new personal transportation device this autumn. The lightweight aluminium board is approximately the size of a laptop and can carry loads of up to 120 kilograms.