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Improved chargers cut down on wait times, but they’re expensive, among other drawbacks.
Both candidates say they support renewable energy. Romney, though, would do little to create markets for it.
Wind and solar get all the attention, but a key path to lowering emissions involves finding a less expensive way to do carbon capture.
A Caltech researcher thinks arrays of tiny wind turbines could produce cheaper power than big ones.
Tesla is set to announce a way to make recharging its electric vehicles faster than filling up a gas tank.