Are we all going to drive around in bubble cars? Renault would love it. Just look at that vehicle: a magnet system like high-speed trains to glide above the road, multi-directional, modal so you can add another pod and another – hook up with your mates without slowing down – and presumably when you're sitting in there, lovely friendly voices tell you things you may or may not want to know.

There's probably more chance of the Renault bubble happening than of flying cars – who doesn't feel, even now, just a little let down by the knowledge the Jetson's

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