iris engine
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Tillemann-founded engine firm is racking up back taxes
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Colorado Democratic congressional candidate Levi Tillemann made a name for himself by designing the high-efficiency IRIS Engine. He and his younger brother Corban were written up in National Geographic magazine in 2010 and were roundly praised for the innovation. But since 2011 the company, IRIS Engines, has racked up a $255,495 in taxes and fines…
