The Trump administration’s EPA has proposed rescinding the foundational 2009 “endangerment finding,” which identified greenhouse gases like carbon dioxide as threats to public health and provided the legal basis for regulating emissions under the Clean Air Act. This move would dismantle critical climate policies, including tailpipe emissions limits designed to promote electric vehicle adoption.
EPA Administrator Lee Zeldin hailed the proposal as a historic deregulatory effort aimed at reducing economic burdens. However, environmental groups, legal experts, and former EPA leaders warn that this rollback denies established science and threatens public health and safety. The proposal faces significant legal challenges and public opposition, with climate scientists emphasizing the severe risks of ignoring greenhouse gas emissions amid worsening climate disasters.
Here’s why it matters:
This proposed repeal directly impacts vehicle emissions standards that influence automakers’ design, production, and sales strategies. Current and future regulations push manufacturers toward producing more electric and cleaner vehicles, shaping inventory and market demand. Reversing these policies could alter the trajectory of EV adoption, affect compliance costs, and reshape consumer preferences. Dealers must stay informed as such regulatory changes affect vehicle supply, pricing, and consumer incentives tied to emissions standards and clean energy transitions.
In an exclusive statement from Mike Stanton, the president of NADA, he asserts: “NADA, ATD, and their members thank President Donald Trump and the EPA Administrator Lee Zeldin for recognizing the need to reverse the previous Administration’s EV mandates and GHG rules. These policies would raise the prices of cars and trucks, reduce consumer choice, and limit fleet turnover. We look forward to stocking and selling safe, affordable, and reliable cars and trucks that customers want and that meet their budget.”
Key takeaways:
- Proposed repeal of 2009 endangerment finding
The EPA plans to rescind the scientific basis for regulating greenhouse gases, which underpins climate and vehicle emission rules under the Clean Air Act. - Historic deregulation effort
EPA Administrator Lee Zeldin calls this the largest deregulatory action in U.S. history, aiming to eliminate costly regulations on vehicles, power plants, and other industries. - Threat to vehicle emission standards
The proposal includes rescinding limits on tailpipe emissions designed to promote electric vehicle production, affecting automakers and dealers’ market dynamics. - Strong opposition from environmental and legal experts
Groups like NRDC and Earthjustice, alongside former EPA chiefs, warn the repeal ignores scientific consensus and endangers public health, pledging legal challenges. - Potential legal hurdles ahead
The Supreme Court’s 2007 ruling supports EPA authority to regulate greenhouse gases, making the proposal’s legal survival uncertain amid growing climate crises.
This proposal marks a pivotal moment in U.S. environmental regulation, with significant consequences for the automotive sector’s future amid the ongoing shift toward cleaner technologies.


