An emerging new recipe for solar cell semiconductors could point the way to a cheaper, (even) more environmentally friendly product that faces fewer regulatory hurdles. The cells convert the sun’s energy less efficiently than the best available, but they may be simpler and less expensive to manufacture. (Bonus viewing: A photo of the new solar panels on the roof of the AirTrain station at Newark Liberty International Airport.) (h/t to InsideClimate News )
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