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No other means of storing energy may be able to reach the scale required to run Germany on solar and wind power.
A manufacturing method that uses light instead of heat wastes less energy and makes the cells more efficient.
New technology could tip the balance back in favor of some solar-panel manufacturers outside China.
The engineering giant likes the predictability of marine power—which can be “calculated for centuries in advance.”
Their shift toward low-risk projects could strand innovative renewable-energy technology in the lab.
Experts worry that the legislation to cut the federal debt could hurt investments in research and infrastructure.
In acquiring Innovalight, DuPont will expand its solar business and develop new ways to make solar cells.
Metamaterials that convert lower-energy photons to usable wavelengths could offer solar cells an efficiency boost.
But the future of the wave energy industry could depend on the incentives introduced by the U.K. government.