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Combining different battery technologies could improve vehicle performance and reduce costs.
A new company is bringing microbial fuel cells to Africa.
A startup says its compressed-air technology could do a better job of storing the power generated by wind turbines.
An underground “heat nest” design avoids the need to fracture the rock.
A new type of wind-turbine platform can be placed much farther from shore.
A layer of optical fiber bristles doubles the performance of organic solar cells in tests.
DOE funds the development of low-cost sodium-ion batteries.
Experts worry that the legislation to cut the federal debt could hurt investments in research and infrastructure.