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Photo of the Day: The Power of Whey

Whey, a byproduct of Greek yogurt production, is collected at Gloversville-Johnstown wastewater plant west of Albany, N.Y., and mixed with anaerobic bacteria. The resulting methane gas becomes combustible fuel that generates nearly enough electricity to power the plant.

Jun 17, 2013

(AP) — In this Dec. 10, 2008 file photo, a worker monitors the production line as cases of Fage yogurt are produced in Johnstown, N.Y.

Whey, a byproduct of Greek yogurt production, is collected at Gloversville-Johnstown wastewater plant west of Albany, N.Y., and mixed with anaerobic bacteria. The resulting methane gas becomes combustible fuel that generates nearly enough electricity to power the plant. (AP Photo/Mike Groll, File)