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Ciris Energy Raises $23.9 Million To Convert Coal To Natural Gas
Jan 03, 2011
Lora Kolodny
<img src="http://www.crunchbase.com/assets/images/resized/0007/5206/75206v1-max-250x250.jpg" class="shot2"></img> Ciris Energy, Inc., a Centennial, Colorado energy startup, raised a series B investmen