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October, 28, 2016

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Idaho firm debuts solar sidewalks

SANDPOINT, Idaho -- Scott Brusaw has a vision for the nation's roads.

He believes the solar-powered glass pavers his company makes could transform thousands of miles of pavement into a new energy source.

His business, Solar Roadways, recently unveiled its first public installation, in a downtown plaza in this northern Idaho resort town. It's 150 square feet of hexagon-shaped solar panels that people can walk and bicycle on.

The company is working on proof that the panels, for which it has a patent, are strong enough and have enough traction to handle motor vehicles, including semitrailers.

"Our plan is to replace all the asphalt and concrete," said Brusaw, noting concrete occupies over 48,000 square miles in the U.S.

"If you cover it with solar panels, we can make three times our energy needs."

Solar Roadways is among a growing number of companies embracing renewable energy as the U.S. aims to reduce carbon emissions by one-third from 2005 levels by 2030.

But it is the only business receiving federal highway research money in pursuit of solar road panels, part of the Federal Highway Administration's efforts to fight climate change, said Doug Hecox, a spokesman for the agency in Washington, D.C.

Going Green

Brusaw and his wife, Julie, got the idea for their Idaho business after watching the Al Gore movie "An Inconvenient Truth" and deciding they also wanted to join the battle against global warming.

They aren't the only ones eyeing roads and sidewalks as a potential energy source. A solar bike path was built in the Netherlands in 2014, and Germany and France have announced plans to build solar roads in the future.

The Brusaws hope to beat them into mass production.

Incorporated in 2006, Solar Roadways has received three FHA grants, totaling US$1.6 million, and funding from the state and a local economic development agency. It also drew 50,000 donors who raised US$2.2 million on Indiegogo, a crowd-sourcing site.

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In this Sept. 30 photo, an approximately one-third sized solar pavement panel, produced by Solar Roadways company, is displayed at a news conference in Sandpoint, Idaho. (AP)

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