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- Ron DeSantis supported killing a federal mandate that is prized by the ethanol industry.
- DeSantis' past votes are being scrutinized ahead of an expected presidential campaign.
- The ethanol industry is huge in Iowa, and Iowa is key to any Republican hoping to defeat Trump.
Florida Gov. Ron DeSantis' potential bid to dethrone former President Donald Trump could hit a critical snag in Iowa, home to the first-in-the-nation caucuses.
DeSantis, like many other House conservatives, was previously opposed to a federal mandate that has helped spur domestic ethanol production. As a Floridian, he faced little to no cost for such a view.
As a now likely future presidential candidate, he will have some explaining to do.