News & Analysis as of

Motor Vehicles National Emissions Standards Environmental Policies

Allen Matkins

California Environmental Law & Policy Update 8.22.25

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The California Fish and Game Commission took final action to approve the Western Joshua Tree Conservation Plan at its August 13, 2025 meeting. The Conservation Plan sets forth management practices and guidelines for the...more

Jones Day

D.C. Circuit Court of Appeals Rejects Challenge to California's Limits on Automotive Greenhouse Gas Emissions

Jones Day on

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

Troutman Pepper Locke

California Spearheads Multistate Effort to Defend EPA’s Stringent Emissions Standards for Heavy-Duty Vehicles

Troutman Pepper Locke on

California Attorney General (AG) Rob Bonta is leading a coalition of 22 Democratic states and the District of Columbia, to defend the Environmental Protection Agency’s (EPA) rule that sets stringent greenhouse gas emissions...more

White & Case LLP

EPA Finalizes New Vehicle Emission Limits for CO2 and Other Pollutants

White & Case LLP on

The new emission limits apply to new passenger cars, light trucks and large pickups and vans, and set increasingly stringent fleet-wide emission limits covering carbon dioxide and other pollutants for Model Years 2027-2032....more

Jenner & Block

EPA Issues Stringent Emissions Standards for Light- and Medium-Duty Vehicles

Jenner & Block on

On March 20, 2024, EPA announced new emissions standards for light-duty and medium-duty vehicles, starting with model year (“MY”) 2027 and phasing in through MY 2032. The new standards require reductions in emissions of...more

ArentFox Schiff

Warehouse and Logistics Operations Targeted by Regulatory Push for “Indirect Source Rules” Targeting Vehicle Emissions

ArentFox Schiff on

Historically, regulations under the federal Clean Air Act (CAA) and related state laws divided the world into “stationary” and “non-stationary sources.” “Stationary sources” included facilities like power plants and factories...more

Goldberg Segalla

EPA Sets New Guidelines for Diesel Emissions

Goldberg Segalla on

On December 20, 2022, the Environmental Protection Agency finalized regulations aimed at reducing harmful emissions from trucks, delivery vehicles, and buses. These regulations will impact vehicles manufactured after 2027 and...more

Jones Day

EPA Issues Stringent Greenhouse Gas Emissions Standards for Passenger Cars and Light Trucks

Jones Day on

On December 30, 2021, the U.S. Environmental Protection Agency ("EPA") published a final rule (the "Final Rule") setting revised greenhouse gas emissions standards for passenger cars and light-duty trucks with model years...more

Hogan Lovells

Trump administration releases final SAFE vehicles rule

Hogan Lovells on

On 31 March 2020, the U.S. Environmental Protection Agency (EPA) and the Department of Transportation National Highway Traffic Safety Administration (NHTSA) released a new joint rule finalizing the Trump administration's fuel...more

King & Spalding

EPA and NHTSA Take Regulatory Action to Revoke California Authority to Regulate Greenhouse Gas Emissions

King & Spalding on

Action May Have Far-Reaching Impacts - Today, the Environmental Protection Agency (“EPA”) and the National Highway Traffic Safety Administration (“NHTSA”) announced a joint rule intended to substantially affect...more

Sheppard Mullin Richter & Hampton LLP

Politics Trumps Economics? Trump’s Revocation of California’s Waiver Under the Clean Air Act

Yesterday President Trump announced on Twitter that the U.S. was revoking California’s waiver under the Clean Air Act (CAA) which allowed it to impose stricter tailpipe emission standards than the federal ones. California’s...more

Foley & Lardner LLP

Negotiations Idle Between EPA, California over Emissions Standards

Foley & Lardner LLP on

As President Trump’s nominee to head the Environmental Protection Agency, Andrew Wheeler, cleared a key committee vote this week, a conflict between EPA and the State of California over tailpipe greenhouse gas emissions shows...more

Hogan Lovells

NHTSA and EPA propose roll back of Obama-era car rules

Hogan Lovells on

The National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a joint notice of proposed rulemaking today, called the "Safer Affordable Fuel-Efficient (SAFE) Vehicles...more

Hogan Lovells

EPA to Reconsider Final Determination on Midterm Evaluation of GHG Emission Standards for Light-Duty Vehicles

Hogan Lovells on

The Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) are currently conducting a Midterm Evaluation as part of the 2012 GHG emission standards established for MY 2017-2025...more

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