Micrenspeflipped into eCologyStop Fueling The Corn Lobby's Dirty Ethanol MandateForbes - Capital FlowsNow a week out from the Iowa caucuses, the politics of the Renewable Fuel Standard (RFS)—the federal mandate requiring fuel refiners to blend biofuels into their gas and diesel fuels—are nearing their quadrennial high watermark. Iowa Gov. Terry Branstad exhibited as much last week, publicly calling …