Platinum Ethanol, located in Arthur, Iowa, is a privately held 110 million gallon ethanol plant in northwest Iowa, employing 50 people and is an end market for more than 36 million bushels of locally grown corn. Platinum began operation in September of 2008 and since then has continued to expand its facility with corn oil extract, a 1.2 million bushel grain bin, a one million plus bushel flat storage pad and other process enhancements.