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Oil-Shale Development: Mahogany Flats Research Station, Rangeley, Colorado (Image: Flickr user SkyTruth, provided by Randy Udall)

Oil-Shale Development: Mahogany Flats Research Station, Rangeley, Colorado (Image: Flickr user SkyTruth, provided by Randy Udall)

Download Original: 640 × 360 Fracking Gives Hydrogen Fuel Cells New Life

5424966371_9665f4b266_o_640 8 August,2012C.K. Hickey