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			 That rule of politics collapsed resoundingly in the 2012 campaign 
			when five of the six top Republican candidates said it was time for 
			such intervention in the private market to end. 
 			Now, Iowa's senior political leaders are pondering how to shore up 
			political support for the corn-based fuel at a time when its 
			economic and environmental benefits are under attack .
 			The latest blow came this month, when the Obama administration 
			proposed cutting the required amount of ethanol in the nation's fuel 
			supply for the first time since Congress established a standard in 
			2007.
 			The state's leading Republicans and Democrats hope they can still 
			use Iowa's political importance as a swing-voting state and as the 
			site of the first presidential nominating contest to get candidates 
			to support keeping the requirement, or at least part of it, in 
			place.
 			But the case has become a tough sell for Republicans as the party 
			has moved to the right and become increasingly hostile to government 
			programs and directives. 			
			
			 
 			Even among Democrats, concern has grown about ethanol's role in 
			rising food prices and in cultivation of land that had been used for 
			conservation.
 			The recent boom in domestic oil production has also made ethanol 
			less prized as a U.S.-produced fuel that limits dependence on 
			foreign oil. The grain alcohol burns cleaner than gasoline but 
			produces less energy.
 			"I think there are some that feel it's potentially safer now to be 
			lukewarm at least, or not supportive of it," said Iowa's Secretary 
			of Agriculture Bill Northey, a Republican. "I think it's yet to be 
			seen if that's a smart political position."
 			U.S. Sen. Charles Grassley of Iowa said he hopes to thwart the 
			administration's proposal in Congress if it survives the 60-day 
			comment period.
 			Meanwhile, Republican Gov. Terry Branstad planned to press his 
			fellow GOP governors, especially those with possible presidential 
			aspirations, to be mindful of the ethanol industry's economic 
			importance. He met with New Jersey Gov. Chris Christie at a 
			governors' association meeting in Arizona this week. On Tuesday, 
			Branstad launched a Website for people to leave comments for the 
			EPA.
 			For politicians eying the White House, "Whoever comes here better 
			understand the importance of renewable fuels, or they are going to 
			have hell to pay in rural Iowa," Branstad said in a recent 
			interview.
 			The federal government began actively supporting ethanol, which is 
			made by fermenting and distilling corn, about 40 years ago when 
			petroleum prices spiked and anti-air pollution efforts were ramping 
			up. Refineries initially were given a tax credit to produce the 
			grain alcohol and Congress later required oil companies to blend it 
			in their gasoline. 			
			
			 
 			In Iowa, the nation's leading corn producer, about 45 percent of its 
			crop went into ethanol last year. The state has 42 ethanol plants 
			that produced 3.8 billion gallons.
 			Branstad said cutting the federal requirement would lower corn 
			prices that have already fallen this year because of an unexpectedly 
			robust harvest.
 			"They're making a huge mistake," Branstad said at the governors 
			conference this week. "And they're going to drive corn below the 
			cost of production."
 			Democratic U.S. Rep. Dave Loebsack of Iowa City said a loss of 
			federal support would be "a devastating decision for Iowa's farmers, 
			rural communities and economy."
 			
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			If the federal mandate was reduced or ended, ethanol producers would 
			rely on the handful of states with their own ethanol fuel standards, 
			and on exports which accounted for about 1 billion gallons last 
			year. The proposed change would likely hurt smaller producers more 
			than powerhouses like Archer Daniels Midland and Cargill.
 			Ethanol supporters insist the federal requirement is still justified 
			even though the U.S. reliance on foreign oil is dropping, and for 
			the first time in two decades, the U.S. produces more crude oil than 
			it imports.
 			"We use 10-percent of ethanol in the gasoline in our cars. Do you 
			want to import another 10 percent of oil" Grassley told the AP. "No, 
			you don't."
 			While oil companies are pushing to escape the ethanol mandate, 
			environmental groups are growing concerned about the impact of 
			increased corn production. Farmers planted 15 million more acres of 
			corn last year than a decade ago, according to an Associated Press 
			analysis, taking land out of conservation use and applying more 
			pesticides and herbicides.
 			Years ago, "there was a strong argument for encouraging the use of 
			available resources like corn, for ethanol. Those days have passed," 
			Democratic Sen. Patrick Leahy of Vermont said in a statement.
 			In a sign of ethanol's eroding political support, the winner of the 
			2012 Iowa caucuses, Rick Santorum, called during his campaign for 
			phasing out the federal mandate. 			
			
			 
 			The prospects for support in the possible 2016 presidential field 
			are uncertain. About a week ago, Branstad brought up ethanol support 
			privately with 2012 vice presidential nominee Paul Ryan before the 
			Wisconsin representative headlined a Branstad campaign fundraiser.
 			Ryan declined to comment publicly on the EPA's ethanol proposal. A 
			spokeswoman for Christie also declined to comment on Christie's 
			position. Among possible Democratic candidates, neither Clinton nor 
			Vice President Joe Biden has commented publicly about the issue 
			recently.
 			Some question whether the economic impact on Iowa would be as dire 
			as its political leaders suggest.
 			Only about 2,000 people work full time in the industry nationwide, 
			said Iowa State University economist Dave Swenson, adding, 
			"Worldwide demand for corn is still very strong."
 [Associated 
					Press; THOMAS BEAUMONT] Associated Press writer 
			Ken Thomas in Phoenix, Ariz., contributed to this story. Copyright 2013 The Associated 
			Press. All rights reserved. This material may not be published, 
			broadcast, rewritten or redistributed. 
			
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