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Earth Talk: The environment: Waste-to-energy systems a virtually untapped resource

3:13 PM, Aug. 26, 2013
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Dear EarthTalk: Might another possible source for ethanol be discarded pastries from bakeries? For that matter, wouldn't fermenting unsold bananas, oranges and apples from grocery store produce departments be able to provide an ample supply of fuel?

Curious in Warren, PA

Food waste is indeed an untapped resource with great potential for generating energy. Some one-third of all food produced around the world gets discarded uneaten, and environmentalists, energy analysts and entrepreneurs are beginning to take notice. Diverting even just a portion of this waste to so-called ...

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