EPA proposed to revise the existing secondary sulfur dioxide NAAQS, to retain the existing secondary standards for nitrogen oxides and particulate matter, and to revise the data handling requirements for the proposed secondary sulfur oxide NAAQS.
SIP Proposal: Ohio (particulate matter rules).
A district court denied summary judgment for Native American tribes in a challenge to EPA's approval of Minnesota's 2021 revised water quality standards. The revisions replaced quantitative standards with qualitative narrative standards that describe the characteristics Minnesota waters must have to...
A district court granted summary judgment for 21 states in a challenge to the Federal Highway Administration's (FHwA's) rule requiring each state to set declining targets for tailpipe carbon dioxide (CO2) emissions from vehicles on the National Highway System. The states argued requiring automobile ...
The D.C. Circuit upheld EPA's 2022 decision to reinstate a prior waiver of federal preemption of two California regulations concerning automobile emissions under the CAA. States and fossil fuel groups challenged the regulations—a standard limiting greenhouse gas emissions and a requirement that a ...
United States v. Flint Hills Resources Ingleside, LLC, No. 2:24-cv-00079 (S.D. Tex. Apr. 8, 2024). Under a proposed consent decree, a settling CWA and OPA defendant that allegedly discharged about 14,000 gallons of crude oil that spilled into Corpus Christi Bay from a ruptured pipe on a dock at the defendant's crude oil storage terminal in Ingleside, Texas, must pay a total of $989,212.80.