Now 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 for the defeat of presidential candidates who support eventually ending the RFS (like Ted Cruz).

Missing from this political drama is any concern for American families, who are left footing the bill for this special interest giveaway. And it’s all the more reason that Congress should dismantle this and every other energy tax credit, subsidy and mandate—including those for renewables and fossil fuels.

While we can’t end all these handouts without major tax reform, the RFS is a place we can start. Passed in 2005 and expanded in 2007, today it is a solution in search of a problem. At the time, prevailing wisdom was that we needed a reliable fuel alternative to expensive oil, which then was at an all-time high. Yet thanks to America’s own energy revolution, today’s low oil and gas prices have eliminated that concern.

Read the full article at Forbes.com: Stop Fueling The Corn Lobby's Dirty Ethanol Mandate