Sonnenschiff solar village in Germany designed by Rolf Disch produces more energy than it consumes.
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Elon Musk finally unveiled the Tesla/SolarCity solar roof that integrates photovoltaics with roof covering for a seamless product that looks better and costs less over time than traditional roofs.
If Tesla Acquires SolarCity, Success Will Depend on Energy Storage
Some think it is a solution for sustainable living.