The Fifth Circuit granted industry groups' challenge to EPA's 2024 rule that revised the equation for calculating vehicle fuel economy for purposes of the Corporate Average Fuel Economy (CAFE) standards and required manufacturers to certify fuel economy using E10 test fuel, containing 10% ethan...
A district court denied summary judgment for a citizen group in a challenge to NMFS' issuance of incidental harassment authorizations (IHAs) and a letter of authorization (LOA) to wind developers off the coast of New York and New Jersey. The group argued the IHAs and LOA, which authorize take o...
The Ninth Circuit reversed a district court's dismissal of a challenge to BLM's authorization of construction on a transmission line through the San Pedro Valley. Native American tribes and environmental groups argued BLM violated the National Historic Preservation Act by issuing limited notices to ...
A district court granted summary judgment for an environmental group in a challenge to FWS' 2023 12-month finding that Joshua trees were not warranted for listing under the ESA for the "foreseeable future." The group argued FWS violated the ESA because it failed to use best available science, i...
A district court granted summary judgment for landowners and a coalition of counties in a challenge to FWS' issuance of an ESA Section 4(d) Rule alongside its listing of the northern distinct population of lesser prairie-chicken as a threatened species. Plaintiffs argued FWS should have considered e...
A district court granted New York City's motion to dismiss a challenge to its statute prohibiting the use of fossil fuels in newly constructed residential buildings. Trade groups and a union argued the statute was preempted by the Energy Policy Conservation Act (EPCA) because it concerned "the ...
The Eleventh Circuit affirmed dismissal of aviculturalist groups' lawsuit challenging FWS' denial of their petition to add two parrot species to the list of species approved for import under the Wild Exotic Bird Conservation Act. The groups had petitioned FWS to add members of the cactus conure and ...
The Seventh Circuit vacated a preliminary injunction that had barred enforcement of an Indiana statute giving incumbent electric companies rights of first refusal (ROFRs) to build and operate new interstate transmission facilities that connect to facilities they own. Companies seeking to b...
The D.C. Circuit partially granted petitions for rehearing in a challenge to FERC's reauthorization of two liquefied natural gas terminals and an associated pipeline in Texas. In a prior opinion, the court held FERC erred by failing to issue supplemental EISs addressing its updated environmental jus...
A district court granted in part summary judgment for an environmental group in a lawsuit concerning ESA §7 consultations on six pesticides. The group argued FWS violated the ESA by unreasonably delaying completion of consultations on chlorpyrifos, diazinon, carbaryl, methomyl, atrazine, and simazi...