#Energy
http://ift.tt/1qVIg6T http://bit.ly/15KdByZ
At Watts Up With That? , Ed Hoskins spotlights the intractable problem with solar and wind power: much of the time, the sun isn't shining and the wind isn't blowing.
http://ift.tt/1qVIg6T http://bit.ly/15KdByZ
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