Air

In RFS Waiver Dispute, 9th Circuit Orders EPA To Explain RIN Remedy

The U.S. Court of Appeals for the 9th Circuit is ordering EPA to quickly provide an explanation for its decision to return renewable fuel standard (RFS) credits to a California refiner when it granted the company’s request for an RFS compliance waiver, though the court stops short of directing the agency on how to craft its response.

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Top Biden EPA Air Officials Might Seek CAAAC Input On NAAQS Reviews

Top political officials in the Biden EPA Office of Air & Radiation (OAR) are signaling that they might seek input from its Clean Air Act Advisory Committee (CAAAC) on how to proceed with the agency’s review of Trump-era decisions to retain and not tighten the existing ambient air limits for ozone and particulate matter (PM).

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Supreme Court schedules April argument in RFS waivers case

Refining companies are challenging a federal appeals court ruling that effectively bars EPA from issuing renewable fuel standard (RFS) compliance waivers.

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Environmentalists Urge EPA To ‘Disavow’ Trump Title V Air Permit Policy

Sierra Club and other environmental groups are urging EPA Administrator Michael Regan to “disavow” a Trump-era policy of deferring to states when the agency reviews their Clean Air Act Title V operating permits, saying such an action would strengthen permitting and resolve a split among federal appeals courts over the policy.

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EPA Urged To Reject State Air Permits Over Environmental Justice Fears

Environmental groups are citing environmental justice (EJ) concerns as a key reason for EPA to grant their petitions asking the agency to object to state-issued Clean Air Act operating permits, signaling a new push to use the equity concerns in the permitting process to force tougher air pollution controls on industrial facilities.

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EPA Giving Serious Consideration To Setting ‘Secondary’ NAAQS For CO2

EPA is said to be giving serious consideration to issuing a landmark “secondary” ambient air limit for carbon dioxide (CO2) to protect the environment rather than a “primary” health-based standard, with an eye to regulating CO2 through a proven Clean Air Act program that could survive review by the conservative Supreme Court.

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EPA asks for further 90-day delay in RMP rollback rule litigation

EPA is asking a federal appeals court to extend by 90 more days a stay of consolidated litigation contesting the Trump EPA’s rule reversing Obama-era chemical disaster safety mandates for facilities.

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Wheeler attacks ‘horrible’ ruling vacating EPA science rule

Former Trump EPA Administrator Andrew Wheeler is blaming an “activist” judge for scrapping a rule that Wheeler said aimed to bring “sunlight” to environmental regulation.

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EPA Seen Taking Early Focus On Air, Water Rules To Get Climate Gains

Although the Biden administration has staked out ambitious plans to address climate change, a former top Obama administration environment official expects EPA’s near-term agenda to target conventional air and water pollution with rules that achieve carbon reductions as a side benefit.

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NAS Effort Finds Reducing Agricultural Nitrogen Harms Remains Difficult

Reducing the public health impacts from agricultural nitrogen runoff remains an “uphill battle,” but recent discussions among a variety of experts have provided information that can help decisionmakers “put the pieces together to make progress,” according to Thomas Burke, chair of a National Academy of Sciences (NAS) interdisciplinary effort.

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