If approved, the EPA’s proposal would rescind the 2009 decision that set forth a legal basis to regulate greenhouse gases as pollutants. Known as the "endangerment finding," it allowed the EPA to limit emissions from vehicles, power plants, and oil and gas companies under the Clean Air Act.

The Environmental Protection Agency plans to relax rules aimed at reducing auto tailpipe emissions. The move is the latest Trump administration effort to undo incentives for automakers to go electric.

The Trump administration said on Tuesday it will rescind the long-standing finding that greenhouse gas emissions endanger human health, removing the legal foundation for all U.S. greenhouse gas regulations.