Alaska brewery to be powered by -- what else? -- beer

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Beer Powered Beer
In this photo taken Jan 23, 2013, in Juneau, Alaska, Brandon Smith, the Alaskan Brewing Co.'s brewing operations and engineering manager, holds spent grain, or waste accumulated by the brewing process. The brewery has installed a unique boiler system that burns the company's dried, spent grain into steam which powers the majority of the plant's operations. (AP Photo/Joshua Berlinger)