The Energy Law Blog

SEPTEMBER 15, 2011

By: Lesley Foxhall Pietras On August 8, 2011, the Environmental Protection Agency (EPA) published a far-reaching Clean Air Act rule intended to address the interstate transport of sulfur dioxide (SO2) and nitrogen oxides (NOx) from upwind to downwind states. See 76 Fed. 48208 (Aug. Tribune, Sept.

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Air Pollution 2011 Clean Air Act Nitrogen Oxides 40

The Energy Law Blog

AUGUST 24, 2012

EPA issued CSAPR in August 2011 pursuant to Sec. Under the rule, certain “upwind” states were required to reduce emissions of sulfur dioxide (SO 2 ) and nitrogen oxides (NO x ), based on those states’ contributions to downwind states’ air quality problems. Industry challenged EPA’s data and methodology in formulating the CSAPR.

Air Pollution 40

Air Pollution Nitrogen Oxides Clean Air Act Ozone 40

Union of Concerned Scientists

MAY 17, 2023

Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. But will the EPA follow CASAC’s recommendations?

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Ozone Ground-Level Ozone Air Pollution Clean Air Act 185