There are only so many roofs in the world, so the Dutch are getting creative about where to put their solar panels. SolaRoad is exactly what it sounds like -- solar panels that pull double duty as road surface and electricity generator. And this being the Netherlands, they of course made a solar road for bikes.
Next week, the Guardian reports, a 230-foot stretch of solar bike path is set to officially open in the suburbs of Amsterdam. Even in the bike haven that is the Netherlands, a $US3.75 million (€3 million) bike path is unprecedented. Your usual asphalt is nowhere to be seen; instead, the road surface is a layer of tempered glass protecting crystalline silicon solar cells. The glass has a skid-resistant coating, and it's been tested to withstand falling steel balls.
Underneath all that glass, the solar panels are hooked up to the electric grid. When the bike path is extended to its full 328 feet (100 meters) in 2016, its creators hope it can generate enough electricity each day to power two or three households. Eventually, it could make the sense to use this solar road electricity for traffic signals and street lights.
In the U.S., Solar Roadways is also developing solar panels for roads -- and someday perhaps even highways. This ambitious vision has also been criticised because, well, making and maintaining good roads is hard. Just think about all the potholes you've driven past. It makes sense for SolaRoad to start with a small pilot project for bikes, which are considerably less rough on the road than cars or, god forbid, trailers. This is an experiment, but one worth doing. [SolaRoad via The Guardian]
Top image: SolaRoad