1. United States
2. Minn.
3. Letter

The EPA's proposal to revoke the "endangerment finding" and rewrite its tailpipe standards is a significant setback in the fight against climate change and environmental protection. The transportation sector is the largest source of direct greenhouse gas emissions in the United States, and eliminating regulations on vehicle emissions would exacerbate this issue, leading to increased pollution and its detrimental effects on public health and the environment. The endangerment finding, which underpins major regulations aimed at reducing vehicle emissions, was based on scientific evidence that greenhouse gases contribute to climate change and pose risks to human health. Revoking this finding would undermine the EPA's ability to regulate greenhouse gas emissions from vehicles, effectively allowing automakers to produce more polluting vehicles without consequence. Furthermore, the proposed changes would create uncertainty for automakers, who have already invested significant resources in developing cleaner technologies to comply with existing regulations. Abrupt policy shifts not only disrupt long-term planning but also risk rendering previous investments obsolete, potentially hindering the adoption of more efficient and environmentally friendly vehicles. It is imperative that the EPA maintains its commitment to protecting public health and the environment by upholding science-based regulations on vehicle emissions. Weakening or eliminating these rules would be a significant step backward in addressing climate change and its far-reaching consequences. The request is to maintain and strengthen the existing greenhouse gas regulations for vehicles to ensure a cleaner, more sustainable transportation sector and a healthier future for all.