As far as practical renewable energy concepts go, these wind-powered highway lights are pretty elegant. And from my layman's perspective, they seem to be practical and realistic. I like 'em! [Turbine Light via Inhabitat]
Wind-Powered Highway Lights Disconnect From the Grid [Concepts]
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As far as practical renewable energy concepts go, these wind-powered highway lights are pretty elegant. And from my layman's perspective, they seem to be practical and realistic. I like 'em! [Turbine Light via Inhabitat]