Colas's Wattway project adds swaths of solar-powering roadway to Georgia, France, as it broadens solar-energy concept.
- Sebastian Blanco
- Dec 23, 2016
Try not to stall on it, okay?
- Danny King
- Feb 5, 2016
France's Colas says each kilometer along the "Wattway" can power 5,000 homes.
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