Caution Flags Out on Solar Roadways: Despite all these advantages, - TopicsExpress

Caution Flags Out on Solar Roadways: Despite all these advantages, Solar Roadways, as the Brusaws’ company is called, won’t stretch to the horizon anytime soon. One issue is cost. The firm calculates that it would be anywhere between 50% and 300% more expensive to use its tiles rather than asphalt to pave a roadway. According to one estimate, the cost to cover all of America’s interstate highways would be $1 trillion. This doesn’t seem a cost-efficient way to harvest solar energy. Another problem is how to keep the tiles clean: roads tend to get rather dirty. And then there is the question of durability and maintenance: stuffed with electronics, they may not survive for long, especially in unforgiving climates. Economist: Crowd Funding Solar Roadways

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