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Will the New EPA Regs Impact Climate Change?

  • Posted by SHFT on October 1, 2013 in Politics
  • Climate Central's Bobby Magill at The Huffington Post:

    The Environmental Protection Agency (EPA) rolled out restrictive new greenhouse gas emissions standards for new power plants at the end of September, but they are unlikely to have much of an impact on the nation’s overall climate change-fueling carbon emissions.

    Part of the Obama administration’s Climate Action Plan, the EPA's proposed new rules, if finalized, will govern only power plants that haven’t been built yet and affect primarily coal-fired power plants, few of which are likely to be constructed in the future.

    The proposed rules are the first of two sets of power plant emissions standards the EPA is expected to roll out over the next year. The other set, expected to be announced in June 2014, is expected to govern carbon emissions from existing power plants — standards experts believe will go much farther to reduce emissions than the proposed rules governing new power plants.

    Allowed under provisions of the Clean Air Act, the rules released in September cap carbon emissions at future coal-fired power plants to 1,100 pounds of carbon dioxide per megawatt hour and 1,000 pounds of carbon dioxide per megawatt hour for new natural gas power plants.

    That won’t be difficult for natural gas power plants because the average gas-fired power plant emits about 800 pounds of CO2 per megawatt hour, the EPA estimates. The EPA expects coal fired-power plants to use existing carbon capture technology to ensure that new coal plants are dramatically cleaner than the average existing coal-fired power plant, which emits about 1,800 pounds of CO2 per megawatt hour. The technology the EPA expects new plants to install would be similar to carbon capture technology installed on coal-fired power plants across the country for more than a decade, capturing at least 50 percent of a power plant's carbon emissions, according to the EPA's proposal.

    The proposed rules aren’t expected to apply to many power plants, however. The U.S., which ranks second in the world behind China for total coal consumption and production, had 36 coal-fired power plants in the planning or early construction stages by the end of 2012, though the status of some of those plants were unknown, according to a 2012 analysis by the World Resources Institute.

    “There are only a small number of (coal-fired power) plants in construction,” said Dallas Burtraw, senior fellow at Resources for the Future, a Washington, D.C.-based nonpartisan, nonprofit natural resources policy think tank. “There is little expectation that many, if any, new plants would be built even absent the new rules. Our modeling shows that no new coal would be built for this decade even in the absence of this rule.”

    When the EPA announced the new plant emissions standards last week, the coal industry claimed it was another volley in an ongoing attack on coal from the Obama administration.

    Legal challenges to the EPA's proposed rules are likely to draw out the fight between the coal industry and the Obama administration well into 2014, but Burtraw said the courts have upheld regulations enacted under the provisions of the Clean Air Act numerous times before, suggesting that the EPA's emissions standards will also withstand any legal challenges from industry.

    But it will be the rules governing existing plants that will have the greatest impact both on emissions and the power plants that release them, Burtraw said.

    “The rules affecting existing plants will be the most important climate-related decision that any administration has had to make,” he said. “A realistic but affirmative rule for existing sources can lead to emissions reductions of several hundred tons per year.”

    Story continues at The Huffington Post.

    Photo: The 3,500-megawatt Plant Bowen in Euharlee, Georgia is the largest coal-fired power plant in North America. (Wikimedia Commons)





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