A district court granted in part and denied in part animal rights groups' motion for summary judgment in a challenge to BLM's recent roundup of wild horses at the Pancake Complex in eastern Nevada. The groups argued BLM violated the Wild Free-Roaming Horses and Burros Act (WHA) by failing to approve...

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 ...

A district court granted in part and denied in part summary judgment for an animal rights group in a lawsuit concerning BLM's adoption of four 10-year management plans for controlling wild horse populations in certain herd management areas. The group argued BLM exceeded its statutory authority under...

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 ...