A district court granted in part and denied in part summary judgment for an environmental group in a challenge to FEMA-approved projects to rebuild Puerto Rico's electrical grid following…

A district court denied summary judgment for environmental groups in a lawsuit concerning a high-voltage transmission line project across Iowa and Wisconsin and through the Upper Mississippi River…

In a split opinion, the D.C. Circuit denied petitions to review a FERC order certifying a Montana solar power facility as a "small power production facility" under the Public Utility…

The Eighth Circuit granted several states' and a business group's petition to review a 2024 DOE rule that changed the method for calculating equivalent petroleum-based fuel…

A district court denied summary judgment for builder and fossil fuel groups in a challenge to New York statutory amendments prohibiting installation of fossil fuel equipment and systems…

A district court granted in part and denied in part motions to dismiss a challenge to federal agencies' approval of a construction and operations plan for a wind project off the coast of…

The Ninth Circuit denied environmental groups' challenge to the Bonneville Power Administration's (BPA's) decision to spend only 10% of its excess financial reserves on measures to…

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…

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…

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…