Photovoltaics power this model car. In the years since ’97, PVs have come down radically in cost with much higher efficiency and life-expectancy. As of 2017, about 1% of U.S. electrical needs were supplied by PVs.

Photovoltaics power this model car. In the years since ’97, PVs have come down radically in cost with much higher efficiency and life-expectancy. As of 2017, about 1% of U.S. electrical needs were supplied by PVs.

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