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Doubling the efficiency of solar devices would completely change the economics of renewable energy. Here is a design that just might make it possible.
NREL shows that Corning’s Willow glass can be used to make flexible solar cells that could be installed in place of roofing shingles.
SolarCity’s new battery system might help solar become a significant source of electricity.
The automaker is using technology from SolarFuel to make renewable methane for natural-gas vehicles.
Flexible photovoltaics made of carbon promise low cost and durability, if their performance can be improved.
Advances like GE’s new hybrid wind turbines could make renewable energy more practical.
With no one buying new equipment, solar companies are looking to make the best of existing technology.
Millions of the world’s poorest lack power. Microgrids could be a clean-energy solution.