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Air

Industries Defend EPA Move To Scrap 'Once In, Always In' Air Toxics Policy

Groups representing major industries are defending EPA's move to scrap a long-running “once in, always in” policy forcing facilities to retain air toxics controls permanently even if the plants reduce emissions to below regulated levels, arguing in new legal briefs nothing in the Clean Air Act requires toxic emissions controls to be retained forever.

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Biofuels supporters urge EPA to accelerate E15 waiver

Biofuels producers are confident EPA will meet its deadline to authorize summer sales of E15 fuel, but also pressing the agency to move fast amid the partial government shutdown.

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First Study Of ACE Emission Impacts Finds 19 States Could See More GHGs

A new peer-reviewed study of the greenhouse gas and other emission effects of EPA's Affordable Clean Energy (ACE) proposal finds the policy would have the perverse outcome of boosting GHGs in 19 states by causing almost one-third of existing coal plants to run more often.

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First Study Of ACE Emission Impacts Finds 18 States Could See More GHGs

A new peer-reviewed study of the greenhouse gas and other emission effects of EPA's Affordable Clean Energy (ACE) proposal finds the policy would have the perverse outcome of boosting GHGs in 18 states and the District of Columbia by causing almost one-third of existing coal plants to run more often.

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EPA Fights Suit Challenging Raised Bar For Title V Air Permit Objections

EPA, backed by industry groups and Texas, is fighting environmentalists' lawsuit that claims the agency has raised the bar for challenging Clean Air Act Title V permits by finding that objections to the permits cannot target other permits, defending its policy in an appellate court case similar to at least two other pending lawsuits.

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Any Vehicle GHG 'Deal' Seen As Unlikely Until After Court Battle Begins

Observers are increasingly expecting that any deal on changes to vehicle greenhouse gas and fuel economy standards is unlikely before the Trump administration finalizes an aggressive rollback of the rules, suggesting debate over the issue will only get more acrimonious -- not less -- in the coming months.

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EPA defends 2018 RFS from diverse legal attacks

EPA is defending its 2018 renewable fuel standard (RFS) fuel blending volumes rule from a broad range of legal attacks in final briefs, ahead of oral argument in litigation slated for next month.

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States defend push to consider 'background' ozone in NAAQS

Several states in a new letter to an appellate court say EPA has a responsibility to consider background ozone when setting national ambient air quality standards for the criteria pollutant.

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EPA Weighs Easing Waste Rules For Bioreactor Landfills But Eyes Methane

EPA is considering easing limits on municipal solid waste landfills to allow for the addition of liquids to so-called wet and bioreactor landfills as a way of speeding waste degradation, but the agency is grappling with how to deal with increases in the emissions rate of methane, the potent greenhouse gas, and other landfill gases that would also result.

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VW Deal Sets Marker For Fiat Chrysler's But Mitigation Mandate Narrowed

The Obama administration's landmark series of settlements with Volkswagen (VW) for its emissions cheating scandal appears to provides the template for a much smaller deal the Trump administration struck with Fiat Chrysler, though officials appeared to narrow a mitigation requirement to comply with new policy.

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