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Air

9th Circuit Rejects Truckers’ Appeal Of EPA Waiver For CARB Off-Road Rules

A three-judge panel of the U.S. Court of Appeals for the 9th Circuit has rejected a trucking and construction industry challenge to an Obama-era EPA Clean Air Act (CAA) waiver of federal preemption authorizing California to issue stricter emission regulations for “non-road” diesel engines.

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Supreme Court to quickly decide on VW air act petition

If four of the nine Supreme Court justices agree to hear the automaker’s Clean Air Act argument when they meet for a Feb. 19 conference, then the court will grant the petition.

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CBD threatens suit over missing oil, gas measures for ozone plans

Environmentalists’ suit aims to add pressure on the Biden administration to shift energy production away from fracking while also curbing the oil and gas sector’s ozone-forming emissions.

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Environmentalists File Suit To Overturn ‘Do Nothing’ EPA Ozone NAAQS

Environmentalists are suing EPA in a bid to overturn its Dec. 31 rule retaining Obama-era national ambient air quality standards (NAAQS) for ozone, joining states’ effort to force the Biden administration to tighten the emissions standards in litigation that is expected to focus on the review process as much as adequacy of the limits.

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EPA Jump-Starts Major HFC Regulation Using New Statutory Authority

The Biden EPA is taking the first step toward regulating climate-warming hydrofluorocarbons (HFCs) under new Clean Air Act authority it received from a bipartisan law enacted late last year, floating a data notice to inform a pending rule setting production limits for the chemicals used in refrigeration and other sectors.

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Health Effects Institute launches COVID, air pollution studies

The studies might help with resolving ongoing debates over whether exposure to air pollution results in more severe adverse health outcomes from COVID-19 infections.

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Novel Suit Cites Species Review In Effort To Force Stricter EPA PM NAAQS

Environmentalists are pursuing a novel first-time lawsuit that aims to force EPA to account for adverse impacts from air pollution when it reviews its ambient air standards, challenging the Trump administration’s decision to retain the existing suite of particulate matter (PM) limits and saying a species review would justify stricter standards.

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Environmentalists threaten to sue EPA over delayed ozone plans

Center for Biological Diversity and Center for Environmental Health are seeking to force EPA to take overdue action on several states’ missing plans for attaining federal ambient air standards.

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EPA Asks D.C. Circuit To Halt 2020 RFS Suit Over Challengers’ Objections

EPA is asking a federal appeals court to halt litigation over its renewable fuel standard (RFS) biofuel blending targets for 2020 pending the resolution of a Supreme Court case over EPA’s policy on RFS compliance waivers for small refineries, but renewable fuels groups and refiners challenging the rule say they oppose delaying the suit.

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Environmentalists drop litigation over Trump SEP policy

The Conservation Law Foundation and The Surfrider Foundation are ending the suit over the Trump administration’s bar on the use of supplemental environmental projects (SEPs) following the policy’s reversal.

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