This photo taken Jan 23, 2013, in Juneau, Alaska, shows the bottling line inside the Alaskan Brewing Co. The brewery has installed a unique boiler system that burns the company's dried, spent grain or waste accumulated by the brewing process into steam which powers the majority of the plant's operations. (AP Photo/Joshua Berlinger)

Associated Press
This photo taken Jan 23, 2013, in Juneau, Alaska, shows the bottling line inside the Alaskan Brewing Co. The brewery has installed a unique boiler system that burns the company's dried, spent grain or waste accumulated by the brewing process into steam which powers the majority of the plant's operations. (AP Photo/Joshua Berlinger)
This photo taken Jan 23, 2013, in Juneau, Alaska, shows the bottling line inside the Alaskan Brewing Co. The brewery has installed a unique boiler system that burns the company's dried, spent grain or waste accumulated by the brewing process into steam which powers the majority of the plant's operations. (AP Photo/Joshua Berlinger)
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