Talk About Range Anxiety: This All-Electric Plane Flies An Hour Per Charge

The tiny new E-Fan, an all-electric plane from Airbus, won't be flying cross-country anytime soon, but it's a major leap forward.

If you live in the U.S., the biggest part of your carbon footprint probably comes from air travel--a single round-trip flight from New York to San Francisco can add up to about two or three tons of carbon emissions per passenger. But airlines are slowly inching their way closer to truly green options.

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