News & Analysis as of

Carbon Emissions Motor Vehicles Clean Air Act

Tonkon Torp LLP

EPA Poised to Overturn Greenhouse Gas Endangerment Finding

Tonkon Torp LLP on

Current Environmental Protection Agency (EPA) Administrator Lee Zeldin proposed a rule today to rescind 2009 rules that form the basis of greenhouse gas (GHG) emissions limitations, a move that will almost certainly lead to...more

Allen Matkins

California Withdraws Clean Air Act Waiver Requests for Vehicle Emissions Standards

Allen Matkins on

On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the EPA needed to support four recently adopted vehicle emissions regulations: 1) the Advanced Clean Fleets Regulations; 2) the In-Use...more

Cozen O'Connor

Republican AGs Urge EPA to Block CA’s Clean Fleets Regulation

Cozen O'Connor on

A group of 24 Republican AGs submitted comments urging the EPA to deny California’s request for a preemption waiver for its Advanced Clean Fleets Regulation, which requires certain vehicle fleets to incorporate zero-emitting...more

Foley Hoag LLP - Environmental Law

The D.C. Circuit Affirms EPA’s Reinstatement of California’s Authority to Set Auto Emissions Limits; Don’t Get Too Excited About...

On Tuesday, in Ohio v. EPA, the D.C. Circuit Court of Appeals denied several challenges to EPA’s decision to restore California’s authority under § 209(b) of the Clean Air Act to regulate emissions from motor vehicles. It’s...more

Troutman Pepper Locke

California AG Settles Alleged Violations of Engine Emission Control and Certification Requirements

Troutman Pepper Locke on

California Attorney General (AG) Rob Bonta and the California Air Resources Board (the Board) have reached a $46 million agreement with engine manufacturer Cummins Inc. to settle alleged violations of California’s engine...more

Hogan Lovells

EPA’s proposes most stringent vehicle emission standards ever for model years 2027-2032

Hogan Lovells on

On April 12, 2023, the Environmental Protection Agency (EPA) issued the notice of proposed rulemaking for “Multi-Pollutant Emission Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles” (the “proposed...more

Goldberg Segalla

California’s Clean Air Act Waiver Targeted in New Lawsuit

Goldberg Segalla on

Ohio, along with sixteen other states, sued the Environmental Protection Agency on Friday last week, over its March 14, 2022 decision to reinstate a waiver allowing the nation’s most populous state California, under its...more

Downey Brand LLP

Tenth Circuit Decision Reinforces Federal Clean Air Act Citizen Suits Against Mobile Sources

Downey Brand LLP on

In its recent decision in Utah Physicians for a Healthy Environment (UPHE) v. Diesel Power Gear, LLC, et al., a matter involving the hosts of Discovery Channel’s popular show “Diesel Brothers,” the Tenth Circuit Court of...more

Hogan Lovells

EPA Decision Reinstating California's Clean Air Act Waiver for GHG/ZEV

Hogan Lovells on

Today the U.S. Environmental Protection Agency (EPA) published its Notice of Decision in the Federal Register to rescind EPA’s 2019 withdrawal of California’s waiver of preemption under Section 209 of the Clean Air Act (CAA)...more

Cozen O'Connor

Truck Leasing Company And Its Inspectors Accused Of Fraudulently Issuing Passing Inspection Certificates For Its Trucks

Cozen O'Connor on

Massachusetts AG Maura Healey sued national truck rental company Penske Leasing and Rental Company, LP and six of its inspectors (collectively “Penske”) over allegations that it allegedly issued fraudulent passing inspection...more

Hogan Lovells

EPA announces updated vehicle and engine tampering policy

Hogan Lovells on

The U.S. Environmental Protection Agency (EPA) recently released a long-awaited update to its enforcement policy on vehicle and engine tampering and aftermarket parts....more

Snell & Wilmer

Viral Threat Emerges to the Vehicle Aftermarket Parts Industry

Snell & Wilmer on

The pre-pandemic portion of 2020 saw continued vigorous enforcement by EPA of Clean Air Act “defeat device” provisions against the vehicle aftermarket parts industry, including manufacturers and installers, as well as the...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

Burr & Forman

Air Quality Progress While Rolling Back Regulations

Burr & Forman on

Irony abounds as the new Acting Administrator at EPA last Tuesday announced historic progress under the Clean Air Act even while the Administration works to roll back a number of Clean Air Act rules. ...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

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