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Amy Harder Mar 19
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Column / Harder Line

The swamp’s tug-o-war over America’s ethanol mandate

American eagle with corn in its claws
Illustration: Rebecca Zisser / Axios

A biofuels standard Congress passed more than a decade ago in the name of rural development, energy security and climate change has devolved into an arcane fight over market share that has nothing to do with those initial three goals.

Why it matters: The law — called the renewable fuel standard that requires refineries to blend biofuels into gasoline — is a textbook example of how regulations create winners, losers and unintended consequences.