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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

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The New EPA Car Rule Doesn’t Violate the Major Questions Doctrine

Legal Planet

Conservative groups have claimed since then that virtually every government regulation raises a major question. None of these apply to the new car rule: The new rule is based on a legal provision that EPA has applied for decades to regulate cars, rather than an obscure and rarely used legal provision. The rule is not unprecedented.

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EPA’s New Power Plant Rules Have Dropped. What Happens Next?

Legal Planet

And they will raise other arguments — primarily, that the technologies that EPA is relying on to reduce emissions aren’t ready for prime time. Under the Clean Air Act, nationwide EPA air pollution rules can only be challenged in the D.C. At that point, there will be more lawsuits.

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Constraints on Rollbacks

Legal Planet

The Trump Administration’s massive campaign against government regulation was horrifying at the time and depressing in retrospect. Many people have been left with doubts about whether it’s even worthwhile to bother with new regulations, given the risk of a switch in control of the White House. Interstate air pollution.

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Truck Loopholes 101 – When Emissions Regulations Don’t Match the Real World

Union of Concerned Scientists

The EPA is getting ready to finalize a critical regulation limiting emissions of smog-forming nitrogen oxide (NO X ) and soot (or particulate matter, PM 2.5 ) from new heavy-duty trucks. This is the first time EPA has sought to limit emissions in over two decades, and it is long overdue.

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Bill Reported Out Of Senate Committee Would Allow Pipelines Like Mariner East To Apply For Waivers Of Any PUC Regulation, Law Or Policy

PA Environment Daily

On April 30, Senate Bill 1174 (Stefano-R-Fayette) was reported out of the Consumer Protection and Professional Licensure Committee with unanimous Republican support that would allow any “public utility” to petition the Public Utility Commission to waive any law, regulation or policy under the Commission’s jurisdiction, if it benefits ratepayers.

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EPA Finalizes Rule To Reduce Methane Emissions From Oil & Gas Infrastructure; DEP’s Oil & Gas Methane Regulations 1 Year Old

PA Environment Daily

Note: In December, 2022, DEP finalized regulations reducing volatile organic compounds and methane from existing conventional and unconventional oil and gas facilities. Note: In December, 2022, DEP finalized regulations reducing volatile organic compounds and methane from existing conventional and unconventional oil and gas facilities.