[Smittoh]

... cause it's squarish with rounded corners, has 4 wheels, 6 windows, a steering wheel and pedals for control.

What we need to make sure is that only one company can produce something like that. Everyone else would have to reinvent it... maybe they don't need to have doors, or maybe the driver can wear the engine on their head... maybe tracks instead of wheels, or have 7 wheels. After all, one company came up with the idea of building a box on wheels, with convenient hand and foot controls inside, so they should be the only one allowed to produce such a device.

It's not nearly the same.