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If solar cells could generate higher voltages when sunlight falls on them, they'd produce more electrical power more efficiently. For over half a century scientists have known that ferroelectrics, materials whose atomic structure allows them to have an overall electrical polarization, can develop very high photovoltages under illumination

After we wrote about how many solar panel makers fared badly on The Silicon Valley Toxics Coalition 's 2011 Solar Scorecard , the Solar Energy Industries Association (SEIA) nearly fell over itself to respond, telling us that the solar industry is cleaning up its act--and fast.