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  • Could we replace the nation’s pavement with solar panels?

    Solar Roadways A while back I mentioned Solar Roadways, a clean-energy idea that appears kind of kooky, at least on the surface. (See what I did there?) The notion is to replace paved surfaces with rugged, specially built solar panels. The Solar Road Panels would contain not just solar panels but LED lighting (to enable […]

  • North American feed-in tariff policies take off

    Gainesville’s feed-in tariff program is limited to 4 megawatts of solar PV each year. The program is already fully subscribed through 2015 — a 24-megawatt commitment.Photo courtesy U.S. NRELClean energy advocates in Europe have long considered the feed-in tariff as an antidote to the industrial world’s fossil fuel dependency. Now, the United States and Canada […]

  • Umbra on thin-film solar panels

    Dear Umbra, I read that thin-film solar panels are now being produced on a wider scale. I always hear that they can be sandwiched into window glass, but are there any companies that are actually using the technology in architectural products? How does thin film compare to the traditional PV panel? Jen Oakland, Calif. Dearest […]