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Air

High Court Backs Oil Industry Over Scope Of Climate Suit Appeals

The Supreme Court is backing oil industry arguments on the scope of its appeals challenging a slew of federal district court rulings in climate nuisance suits filed by local and state governments, a decision that likely makes it easier for the industry to keep such suits in federal courts that they view as a favorable venue.

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High Court Backs Oil Industry On Scope Of Climate Suit Appeals

The Supreme Court is backing oil industry arguments on the scope of its appeals challenging a slew of federal district court rulings in climate nuisance suits filed by local and state governments, a decision that likely makes it easier for the industry to keep such suits in federal courts that they view as a favorable venue.

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D.C. Circuit denies bid to sever PM NAAQS species suit

The federal appeals court will consider environmentalists’ novel Endangered Species Act claims, along with other attacks on the Trump EPA’s decision not to tighten its particulate matter (PM) ambient air limits.

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EPA shutters Virgin Islands refinery, citing safety concerns

Addressing the controversial Limetree Bay refinery’s air pollution incidents is seen as a test case for the Biden administration’s commitment to ensuring environmental justice for surrounding communities.

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EPA wins praise for rescinding Trump air cost-benefit rule

Environmental groups and Sen. Tom Carper (D-DE) are offering praise for EPA’s decision to rescind a Trump-era rule that limited how the agency could calculate regulatory benefits under the Clean Air Act.

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‘Non-Tailpipe’ Vehicle Air Pollution Risks May Be Future Regulatory Focus

As the national vehicle fleet transitions toward electric vehicles (EVs) and conventional vehicles become cleaner and more efficient, emissions of fine particulate matter (PM2.5) from non-combustion sources, such as brakes and tires, will become a relatively more importance source of health risks and focus for regulators, air quality experts say.

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OIG Warns EPA Enforcement Declines May Harm Health; OECA Defends Record

EPA’s Office of Inspector General (OIG) is warning that a steady decline in agency enforcement activities “may expose the public and the environment to undetected harmful pollutants,” in a sharply critical report that finds the downward trend was found on a statute-by-statute bases and at EPA headquarters and in each of the agency’s 10 regions.

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Interim EPA Rule Rescinds ‘Unnecessary’ Trump Air Cost-Benefit Policy

Updated at 10:58 a.m. EST -- EPA is issuing an interim final rule rescinding the controversial 11th-hour Trump-era regulation that limits the scope of benefits that can be considered in Clean Air Act (CAA) rulemakings, a policy environmentalists warned would make it harder to justify stricter agency air rules and which that Biden administration now says was “unnecessary.”

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CARB Floats Final Modifications To Truck NOx Rules, With EPA Plan In Flux

Nine months after approving their landmark heavy-duty truck low-nitrogen oxide (NOx) regulation, California air board officials are proposing a lengthy set of testing, crediting and other regulatory modifications to the measure -- which takes effect with model year 2024 engines -- though they don’t change the core emissions standards.

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Stressing Multiple Threats, EPA Re-Launches Climate ‘Indicators’ Site

EPA is re-launching its climate change “indicators” website to provide the public with dozens of datasets showing ongoing effects of global warming, with Administrator Michael Regan pitching the move as another example of the agency re-focusing on climate science following the Trump administration.

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