Noted: There is still room for reducing the cost of solar, both by improving the physical workings of the technology itself and by reducing the cost of production and deployment of solar photovoltaics, said Greg Nemet, a professor at the University of Wisconsin-Madison who researches technological shifts and how public policy can affect those changes. Once denounced as too expensive, solar energy is already displacing other fuel sources as the cheapest form of generation in some regions.
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