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GE says its new gas-plant design can address the sudden drops that occur with renewable forms of energy.
Aftershocks from Fukushima shake political confidence in nuclear—and provide a boost for renewables.
An underground “heat nest” design avoids the need to fracture the rock.
Battery draws power from salinity difference between freshwater and saltwater.
A startup says technology inspired by RAID hard drives can boost power output by up to 50 percent.
Far-flung data centers could use otherwise unharvestable renewable energy for computation.
N-type and p-type semiconductor nanocrystals could pave the way for new types of solar cells.
Feed-in tariffs make the Canadian province a bright spot for photovoltaics.
A startup says it can beat the performance of the most efficient solar cells on the market today.
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?