In Ohio et al. v. U.S. EPA, on April 9, 2024, the United States Court of Appeals for the D.C. Circuit upheld a decision by the U.S. Environmental Protection Agency ("EPA") to allow California's 2013 greenhouse gas emissions...more
The U.S. Environmental Protection Agency ("EPA") finalized the strictest-ever emission standards for heavy-duty vehicles. On March 29, 2024, EPA announced new emission standards for heavy-duty vehicles for model years 2027...more
The California Air Resources Board (CARB), on August 25, 2022, voted to adopt the lengthy and complex second iteration of the state’s ambitious zero-emission vehicle (ZEV) regulation now set to fully phase out the sale of...more
On March 9, 2022, the US Environmental Protection Agency (EPA) rescinded a rule promulgated by the Trump Administration and revived California’s Clean Air Act waiver, allowing the state to set its own greenhouse gas emissions...more
The Biden administration is set to begin reversing Trump era policies that limited California’s ability to set vehicles’ emissions standards at a more stringent level than required by the federal government. The...more
As the Biden administration continues to shape its environmental priorities and agenda, greenhouse gas emissions remain a sharp focus. President Biden is hosting a White House climate summit this week, and is expected to...more
California Governor Jerry Brown signed into law last week two controversial anti-climate change bills that will tighten greenhouse gas (GHG) limits by 40% and increase legislative supervision of the California Air Resources...more