On paper this looks like a cool idea: use the wind created by moving cars to turn fans, which in turn generate electricity to power streetlights. My first thought is that I would be tempted to drive a little faster, wondering if I can brighten up the street. And what about the poor soul walking by the spinning blades? I don't know where this video came from, but I did find mention of the idea from a posting on whynot.net about a year ago, so maybe it's been kicked around the city engineer's table a few times since.

[Source: YouTube]

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