Kenneth Hartman Jr. and Zippy Duvall

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The Renewable Fuels Standard, created by George W. Bush, requires refiners to dilute their gasoline with ethanol, a fuel made from plants -- mostly corn. (AP Photo/Charlie Riedel, File)

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Policymakers need to stop stalling E15 access

Kenneth Hartman Jr. and Zippy Duvall -

June 20, 2025 9:31 am