Why everybody hates the ethanol mandate

This week, the EPA is expected to announce changes to the ethanol mandate, a 2007 law that requires energy companies to mix billions of gallons of ethanol into gasoline and diesel fuels. After six years in the mix, corn-based ethanol has lost its popularity, and a diverse group of critics is calling for the law's repeal.

A proposal for the EPA's changes, leaked in October, would significantly scale back the ethanol-gas blend requirement to 2012 levels. "If approved, the proposed cut in the biofuel mandate in 2014 to 15.21 billion gallons from 18.15 billion would mark an historic retreat from the ambitious 2007 Renewable Fuel Standard (RFS) law that charted a path toward ever-greater use of clean, home-grown fuel," said Reuters at the time.

But many think such a "historic retreat" would be not nearly enough. An extensive investigation by the Associated Press, briefly published by accident last week, then republished as scheduled this week, outlined a variety of ways the mandate is "badly hurting the environment." Though ethanol fuel releases less carbon dioxide than other kinds of gas, many question if the side effects of production are worth it. "[I]n the president's push to reduce greenhouse gases and curtail global warming, his administration has allowed so-called green energy to do not-so-green things," says the AP.

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Growing corn requires fertilizer, which requires natural gas to make. Fertilizer also has contaminated rivers and drinking water, says the report. And ethanol factories usually burn coal or gas, which dumps carbon dioxide into the atmosphere.

In addition, the ethanol mandate has pushed up corn prices, which gives farmers economic incentive to plow more land — a lot more land. "Five million acres of land set aside for conservation — more than Yellowstone, Everglades, and Yosemite National Parks combined — have vanished on Mr. Obama's watch," says the report. Not only does plowing grasslands destroy habitats, but it also releases huge amounts of carbon dioxide into the atmosphere.

Other opponents complain the mandate — like any energy subsidy — is free market poison, claiming it "distorts fuel markets and will raise gasoline prices, especially as the increased blending requirements collide with declining demand for gasoline," reports Politico.

The varying reasons to oppose ethanol have brought together an unlikely gaggle of opponents: The oil industry, Tea Party Republicans, and environmentalists.

"[I]t’s high time Congress acted to kill the mandate altogether," says Ryan Cooper in a column for The Washington Post.

Still others say the mandate leads to higher food prices. Tom Fletcher of Americans for Tax Reform:

Meanwhile, the ethanol industry is asking the AP to retract the story. “At best, the AP article is lazy journalism, but at worst, it appears purposefully designed to damage the ethanol industry,” American Coalition for Ethanol Executive Vice President Brian Jennings said in a statement to the press. “There was an incredibly reckless disregard for the truth in the handiwork of this hit piece.”

The lobby insists that ethanol produces 34 percent less greenhouse gas than gasoline, and that farmers plowed extra land because of drought.

(Correction: This article originally misstated the date on which the AP report was accidentally published. It has since been corrected. We regret the error.)