EPA Repealed 2009 GHG Endangerment Finding, Eliminated Federal GHG Emission Standards for Vehicles and Engines, 2012 Onward

On February 12, 2026, The U.S. Environmental Protection Agency announced what it calls the largest deregulatory action in U.S. history.

At the center of the action is the repeal of the 2009 “Endangerment Finding,” which had determined that greenhouse gases pose a threat to public health and provided the legal foundation for federal climate regulations. Eliminating this finding effectively removes the EPA’s obligation to regulate greenhouse gas emissions.

The rule also eliminates all federal greenhouse gas emission standards for vehicles and engines, covering model years from 2012 onward. In addition, it removes related regulatory mechanisms such as off-cycle credits, including incentives tied to technologies like automatic start-stop systems.

According to the EPA, the rollback is intended to reduce regulatory costs, which the agency estimates at more than $1.3 trillion, while lowering vehicle prices and expanding consumer choice. Officials argue the move will make cars and goods more affordable and reduce broader cost-of-living pressures.

The action follows recent Supreme Court decisions that the agency says guided its legal interpretation of regulatory authority.

More broadly, the decision represents a major shift in U.S. environmental policy by dismantling the core framework used for climate regulation over the past decade and a half, with expected legal challenges and policy ripple effects across the energy, automotive, and environmental sectors.

On April 21, 2026, The Sacramento Bee reported that California Governor Gavin Newsom blasted the decision.

“Today, as we’re near Earth Day, we are reminded that the Trump administration is taking America down a dangerous path — ignoring science, embracing climate pollution, and breaking the law,” Anthony Martinez, a spokesperson for the governor said in an email to the Sacramento Bee.

“If this reckless decision survives legal challenge, it will mean more deadly wildfires, more extreme heat deaths, and more climate-driven floods and droughts — all while Trump’s political appointees, many of whom were handpicked by the oil and gas industry, dismiss the overwhelming science that has protected public health for decades,” the statement continued.

EVinfo.net’s Take: The EPA’s Actions Will Increase Pollution, Harm Human Health and Cost Drivers More Money

The U.S. Environmental Protection Agency’s decision to rescind the 2009 Endangerment Finding, which established that greenhouse gas emissions threaten public health, marks a dangerous, very concerning and significantly bad shift in federal climate policy. Under the Clean Air Act, that finding created a legal obligation to regulate emissions. Its repeal now removes a key pathway for addressing vehicle-related greenhouse gases.

EPA has justified the move by emphasizing regulatory costs, claiming the rollback will save up to $1.3 trillion over time. However, this framing overlooks a larger economic reality. The agency’s own analysis indicates the repeal could result in roughly $1.5 trillion in societal costs, producing a net loss of about $180 billion. This estimate excludes broader climate and public health damages that were not fully accounted for.

The eliminated vehicle emissions standards were projected to deliver substantial consumer savings, including an estimated $6,000 in lifetime savings per new vehicle due to improved efficiency. Without these standards, drivers are expected to face higher fuel and maintenance costs, compounded by projections of rising gasoline prices in the coming decades. These policies will increase the price of gasoline 29 percent by 2050, costing drivers an extra 75 cents per gallon.

Beyond direct consumer impacts, the repeal carries wider consequences. Previous standards were expected to prevent tens of billions in annual climate-related damages and deliver trillions in cumulative benefits by mid-century. Increased emissions are associated with higher costs tied to extreme weather, healthcare, insurance, and infrastructure damage.

Public health impacts are also significant. Higher levels of air pollution could contribute to thousands of premature deaths annually, along with increased asthma cases and lost productivity. Historically, EPA regulatory analyses have incorporated these factors, but critics argue the current approach minimizes or excludes them.

The American Lung Association supports EV adoption, and its report “Driving to Clean Air: Health Benefits of Zero-Emission Cars and Electricity” says by achieving 100 percent zero-emission passenger vehicle sales and non-combustion clean electricity generation by 2035, the national, cumulative health benefits could reach the following levels by 2050: $978 billion in public health benefits, 89,300 fewer premature deaths, 2.2 million fewer asthma attacks, and 10.7 million fewer lost workdays.

Legally, the move raises questions about whether the agency has adequately balanced costs and benefits, as required by precedent. Courts have consistently required that regulatory decisions reflect a rational connection between evidence and outcomes, including consideration of environmental and health impacts.

In effect, critics argue the repeal prioritizes short-term regulatory savings while disregarding larger long-term costs, leaving both economic and public health consequences insufficiently addressed. Supporting electric vehicles and renewable energy are the answers, not supporting polluting fossil fuels.