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Air

IG finds EPA truck emissions program effective

Even so, the agency’s inspector flagged eight recommendations for improving the program, and the agency is beginning to implement those suggested changes.

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E15 Waiver Poses Major Risks For Biofuels Makers Despite Apparent Win

Biofuels producers are welcoming EPA’s waiver allowing year-round sales of 15-percent ethanol (E15) but they face major risks from the decision if the waiver fails to deliver large boosts in ethanol sales, is struck down by a court, or is undermined by EPA’s exemption of refiners from renewable fuel standard (RFS) obligations.

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9th Circuit Poised To Hear Early DOJ Appeal Of Youth Climate Lawsuit

A three-judge panel of the U.S. Court of Appeals for the 9th Circuit is poised to hear high-profile oral argument on whether to accept the Trump administration’s request to dismiss a novel climate change lawsuit brought by 21 youth plaintiffs before a lower court has completed its review.

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RFF paper urges economists to stress climate urgency

Economists should give “greater attention to the urgency of more stringent climate policy action and the associated costs of delay,” writes RFF fellow Lawrence Goulder.

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EPA Sees ‘Win-Win’ But E15 Waiver Appears To Be Loss For Refiners

EPA’s just-issued waiver allowing year-round sales of 15-percent ethanol (E15) drops earlier plans for a major overhaul of the renewable fuel standard (RFS) credit market, a significant loss for refiners that could undermine the Trump administration’s claim of a “win-win” policy for both biofuels producers and merchant refiners.

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E15 Waiver Clears Path For Summer Sales, Punts On RFS Credit Reforms

Biofuels supporters are praising EPA’s final waiver released May 31 that clears the path for summertime sales of previously prohibited 15-percent ethanol fuel (E15) beginning June 1, but the agency is putting on hold proposed major changes to the renewable fuel standard (RFS) credit trading market that it had planned to issue alongside the waiver.

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Former EPA official urges reliance on air act to curb vehicle GHGs

Margo Oge, EPA's former transportation air quality chief, says that Trump officials are “cynically using” the Energy Policy and Conservation Act to try to block state greenhouse gas controls.

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D.C. Circut Rejects Sierra Club Suit On EPA Air Monitoring Policy ‘Tweaks’

A federal appellate court has soundly rejected Sierra Club’s suit over what the judges described says are “tweaks” to EPA air monitoring policy, dismissing one argument as time-barred, another for lack of legal standing, and denying a third claim outright because the group failed to adequately justify it.

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D.C. Circuit Rejects Sierra Club Suit On EPA Air Monitoring Policy ‘Tweaks’

A federal appellate court has soundly rejected Sierra Club’s suit over what the judges described says are “tweaks” to EPA air monitoring policy, dismissing one argument as time-barred, another for lack of legal standing, and denying a third claim outright because the group failed to adequately justify it.

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As EPA Readies Rules, Study Backs Stricter Limits On Facilities Emitting EtO

A long-awaited EPA risk analysis has found that cancer risks from emissions of ethylene oxide (EtO) from a now-shuttered sterilization plant in a Chicago suburb could be lowered if further controls are installed at the facility, findings that suggest upcoming agency air toxics rules governing EtO emissions could seek to strengthen current requirements.

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