Gas stations across Iowa, like this Casey's General Store in Des Moines, boast ethanol as "cleaner air for Iowa." Clay Masters/Iowa Public Radio hide caption

toggle caption Clay Masters/Iowa Public Radio

It's All Politics

Got Corn? Ethanol Is No Longer King In Iowa Among Candidates

Iowa Public Radio

Candidates' waning interest in the corn fuel shows that Iowa's role in shaping policy debates may be declining.

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A sign on the pump advertises the ethanol content of the gasoline as a motorist reaches for the gas pump in his truck at a filling station in Bellmead, Texas. LM Otero/AP hide caption

toggle caption LM Otero/AP