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Devices that can make wireless connections even without an onboard battery could spread computing power into everything you own.
Lithium-sulfide batteries could store far more energy than lithium-ion ones.
If you believe Tesla, affordable, long-range electric cars could be here sooner than many think.
Aerospace companies are working on hybrid electric airplanes, and the earliest versions will likely arrive before the end of the decade.
Advances like GE’s new hybrid wind turbines could make renewable energy more practical.
A Microsoft Research project offloads data and calculations to save battery life.
SolidEnergy says its new battery materials store more energy and won’t catch fire.
A 19th-century idea might lead to cleaner cars, larger-scale renewable energy.
Tesla’s innovations in batteries give it an edge that Fisker, focused on design, lacks.
ARPA-E says better sensors and controls could allow automakers to cut battery size by 20 to 50 percent.