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Education for Green Collar Workers in Hawai‘i

Posts Tagged 'gas'

Power from Cow Pies

This dairy farm used to use 200 bucks a day in electricity. Now they sell 1200 per day back to the electric company. http://www.cnn.com/video/#/video/tech/2008/02/21/mo.cowpower.cnn 

25 February 2008 at 22:43 - Questions and Comments