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A delayed battery technology may indeed be on the way.
Washington’s growing interest could help make plug-in hybrids more affordable. The payoff: 150 miles per gallon.
The production design is ready, but the electric vehicle’s battery needs work.
Recent advances in battery chemistry and systems design could lead to working prototypes by year’s end.
The government funds a factory to make battery materials, but it’s not even clear they’ll be needed.
The senator’s proposed $300 million prize for an electric-car battery prompts excitement, skepticism.
The flexible electric car platform is innovative, but the fuel-cell version is freighted with hydrogen’s flaws.
ARPA-E says better sensors and controls could allow automakers to cut battery size by 20 to 50 percent.
An old technology could make hybrid cars much cheaper.
Devices that can make wireless connections even without an onboard battery could spread computing power into everything you own.