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Diamond Alternative Energy, LLC, et al., Petitioners v. Environmental Protection Agency, et al.

  1. April 19, 2025

    Up Next At High Court: Preventive HealthCare & LGBTQ Books

    The U.S. Supreme Court will hear arguments in five cases this week, including disputes over the constitutionality of a task force that sets preventative healthcare coverage requirements, a school district's introduction of LGBTQ-themed storybooks and whether parties can establish standing based on harms affecting third parties. 

  2. March 12, 2025

    Calif. Asks Justices To Ax Fuel Groups' Clean Air Waiver Suit

    California asked the U.S. Supreme Court on Wednesday to uphold the D.C. Circuit's ruling that biofuel and fossil fuel industry players don't have standing to challenge the U.S. Environmental Protection Agency's Clean Air Act waiver allowing the Golden State to set standards limiting greenhouse gas emissions for vehicles.

  3. February 14, 2025

    New Administration Begins Litigation About-Faces

    The Trump administration's high court reversal on transgender healthcare may be just the first such U-turn, as it telegraphs potential changes in the government's position in cases over student loan forgiveness, environmental regulations, the constitutionality of the Consumer Financial Protection Bureau and more.

  4. February 07, 2025

    Justices Deny Trump DOJ's Bid To Delay Three Energy Cases

    The U.S. Supreme Court denied the Trump administration's request to pause three cases so the U.S. Environmental Protection Agency can review Biden-era regulatory decisions that may alter the government's legal positions.

  5. January 24, 2025

    Trump Admin Requests Justices Pause Three Energy Cases

    The Trump administration on Friday asked the U.S. Supreme Court to pause three cases so the U.S. Environmental Protection Agency can review Biden-era regulatory decisions that may alter the government's legal positions.

  6. January 01, 2025

    Top 4 Climate Change Cases to Watch in 2025

    The New Year could see federal appellate courts deciding cases with ramifications for the government’s approach to climate change regulations, including U.S. Supreme Court cases on the scope of environmental reviews and municipalities’ rights in suing fossil fuel companies. Here are the biggest climate change cases that environmental and energy lawyers must watch in 2025.

  7. December 16, 2024

    Justices Preserve Calif. Vehicle Emissions Autonomy

    The U.S. Supreme Court on Monday declined to review whether the U.S. Environmental Protection Agency has the authority to allow California to set its own greenhouse gas emissions standards for vehicles, a power red states had challenged as unconstitutional.

  8. December 13, 2024

    Justices To Decide If Industry Can Test Calif. Auto Waiver

    The U.S. Supreme Court on Friday granted fossil fuel industry groups' request to review a decision backing the U.S. Environmental Protection Agency's Clean Air Act waiver that allows California to set its own greenhouse gas emissions standards for vehicles and run a zero-emission vehicles program, but the justices won't consider the legality of the waiver itself.

  9. September 27, 2024

    Energy Cases To Watch In This US Supreme Court Term

    The new U.S. Supreme Court term could be just as action-packed as the previous term was for the energy industry, as the justices will weigh in on how federal agencies conduct environmental reviews and field petitions over climate change policies and lawsuits. Here's a list of energy-related cases to watch this term.

  10. September 25, 2024

    EPA Can't Justify Calif. Emissions Ruling, High Court Told

    Republican-led states told the U.S. Supreme Court the U.S. Environmental Protection Agency can't justify a D.C. Circuit decision backing its authorization of a Clean Air Act waiver allowing California to set its own greenhouse gas emissions standards for certain vehicles and run a zero-emissions vehicle program.