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The automaker is using technology from SolarFuel to make renewable methane for natural-gas vehicles.
The solar industry says incremental advances have made transformational technologies unnecessary.
Combining aspects of high-energy lithium-sulfur batteries with flow battery technology can lower costs.
Startup Heliovolt could help bring high-performance thin-film solar cells to market.
Skyline Solar, a new startup, is combining conventional technologies to lower solar-power costs.
A manufacturing method that uses light instead of heat wastes less energy and makes the cells more efficient.
Every clean-tech startup these days claims to have a breakthrough that will finally make renewable and clean energy sources cheap enough to compete with fossil fuels. But are we really on the brink of a clean-energy economy?
A simpler design could reduce the cost of solar power generated by concentrating sunlight on Stirling engines.
NREL shows that Corning’s Willow glass can be used to make flexible solar cells that could be installed in place of roofing shingles.
ESolar expects to start up its large solar thermal plant soon.