Scientific American: Imagine a car that runs quietly, burns no gas, produces no emissions, stores renewable energy, and sometimes even pays you back. Seem like a pipe dream? Soon it won’t be. Vehicle-to-grid technology allows networks of electric vehicles (EVs) to function like a giant battery with an intelligent software interface feeding power from car to grid or grid to car on an as-needed basis. It’s now one step closer to U.S. commercialization.

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