D.C. Circuit upholds EPA's tougher soot standard against industry and state challenge

The D.C. Circuit rejected a challenge from states and industry groups, leaving the National Ambient Air Quality Standards for fine particulate matter, including from power plants, in place as litigation over implementation continues.

First covered Jul 1, 2026 · 7:38 AM PT · 1 article

Coverage

7h Utility Dive EPA’s tougher soot standard upheld in court — The D.C. Circuit rejected a challenge from states and industry groups, leaving the National Ambient Air Quality Standards for fine particulate matter,…

Appeared in: 2026-07-01 (#20)

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