Seeking A Cheap Solar Battery? Urine Luck

A battery made with urea, commonly found in fertilizers and mammal urine, could provide a low-cost way of storing energy produced through solar power or other forms of renewable energy […]

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San Antonio’s Poor Clean-tech Ranking Due to “Jockeying,” Lost Data Set

San Antonio’s standing nationally on the clean-tech scene could be better. But for a newcomer on the scene being ranked 42 among U.S. cities is still commendable, according to Bryce […]

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San Antonio Trailing In National ‘Clean Tech Leadership’ Rankings

San Antonio (and Houston, and Dallas, and Austin) have made important strides in building increasingly sustainable cities rich in low-polluting clean-tech technologies and developing carbon-reduction strategies. San Antonio’s CPS Energy […]

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