The U.S. Supreme Court in a 5–4 vote blocked enforcement of the Environmental Protection Agency’s (EPA’s) final “Good Neighbor Plan,” a rule intended to significantly cut smog-forming nitrogen oxide (NOx)…
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The Environmental Protection Agency (EPA) on March 15 issued the final “Good Neighbor Plan,” its latest iteration of the Cross-State Air Pollution Rule (CSAPR) that could require coal, oil, or…
In a significant but controversial final action, the Environmental Protection Agency (EPA) on Dec. 7 retained its existing National Ambient Air Quality Standards (NAAQS) for both fine and coarse particulate…
Over its 50-year history, several rules issued by the U.S. Environmental Protection Agency (EPA) have reshaped the power sector. But for at least a few modern rules, the road has…
The Environmental Protection Agency (EPA) has moved to redesignate four new areas of Missouri, Nebraska, Ohio, and Texas as being in attainment of air quality standards for sulfur dioxide (SO2). …
The Environmental Protection Agency (EPA) has finalized a change to a long-standing policy interpreting “ambient air”—a foundational concept under the Clean Air Act that applies to all types of air…
The Environmental Protection Agency (EPA) will refrain from amending the National Ambient Air Quality Standards (NAAQS) for sulfur dioxide (SO2), retaining a 2010 rule, which it said adequately protects public…
While the Republican-led U.S. House and Senate in the 115th Congress was mainly focused on reviewing, for modification or repeal, several environmental rules issued under the Clean Air Act (CAA),…
President Trump campaigned on a promise to reduce regulation and control regulatory costs. One of his first actions after taking office was to issue an executive order calling for the…
The Environmental Protection Agency (EPA) does not intend to revisit national ambient air quality standards (NAAQS) for ozone that the Obama administration issued in 2015, a court filing shows. The…