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Renewable energy cheaper than coal
Google Energy's First Purchase: 20 Years of Wind Power
Jul 20, 2010
Lora Kolodny
<img src="http://tctechcrunch.files.wordpress.com/2010/07/wind_farm_in_iowa.jpg" alt="" title="wind_farm_in_Iowa" width="375" height="500" class="alignright size-full wp-image-198975" /> <a href="htt