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Others in Congress are still trying to get EPA to revise its estimates of biofuel carbon output.
Representative Stephanie Herseth Sandlin of South Dakota, another Democrat on the Agriculture Committee, said this week that she and other members of Congress have asked EPA to extend its comment period on its new renewable fuel standard rule from 60 days to 180.
"Given the groundbreaking, controversial, and untested new scientific models being proposed in this rule -- as well as the fact that the rule is hundreds of pages long -- it is imperative that stakeholders in the biofuels industry and in agriculture have a full and fair opportunity to analyze the rule and submit meaningful comments to EPA," Herseth Sandlin said in a statement.
Senate Agriculture Committee Chairman Tom Harkin (D-IA) agreed with Herseth Sandlin's letter, telling Agriculture Online that "I'm glad they sent that. I think we (senators) ought to send one, too. I still don't think that EPA knows how to calculate this."
In the Senate, South Dakota Senator John Thune, has introduced a different bill that would take indirect land use out of EPA's calculations. But that effort may not have as much bipartisan support as Peterson's in the House.
Thune's South Dakota colleague, Democratic Senator Tim Johnson, told Agriculture Online this week that he doesn't yet support Thune's bill.
"It seems to me that the bill is well-intentioned but premature," Johnson said. "The first thing is to get the science right."
There's little doubt that clearing and burning tropical jungles puts a lot of carbon dioxide into the atmosphere and could be one of the causes of global warming. So does plowing up native grasslands. But farm-state members of Congress contend that there's little proven correlation between U.S. crop acreage and land use in other nations, at least that can be tied to just one factor in the market, demand for crops for biofuels.
Johnson is hoping that an expert panel will advise EPA to change its estimates of biofuels' carbon output.
So are some lobbyists in the biofuels industry.
"We're hopeful that the Obama administration will look at this more carefully," said Sara Taylor, a lobbyist for the Renewable Energy Group, one of the nation's largest producers of biodiesel. "Part of it is educating political appointees that there's other science that needs to be looked at."
Like others in the biofuels industry, Taylor is still trying to determine exactly how EPA came up with estimates that seem to penalize biofuels.
"To lay deforestation at the feet of soybean producers in Iowa is not well thought out," Taylor said. "The value of lumber is what's driving deforestation. That's too expensive a process to go through all that just to plant soybeans."
Taylor said she doesn't know how much support Peterson will have in the House for his bill, although she appreciates his support of biofuels. "Certainly, he's been a great advocate and a champion for us on this."
Other members of Congress who like the idea of using biofuels to make the U.S. more energy independent are also hearing from environmental groups that oppose biofuels, she said.
"I think there's some confusion that particularly more moderate and liberal Democrats are experiencing right now," she said.
Taylor is placing her hope in President Obama, who as a senator from Illinois and a candidate, was a strong supporter of biofuels and renewable energy.
"We're hopeful that Obama will do the right thing," she said.
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