A new Environmental Protection Agency (EPA) proposal to revoke a landmark greenhouse gas finding could alter the direction of the auto industry, which until now has had to abide by strict emissions guidelines.

The EPA on July 29 announced it is planning to revoke an "endangerment finding" from 2009 that has served as the legal and scientific basis for the agency's regulation of greenhouse gas emissions across multiple industries, including motor vehicles, power plants, oil and gas producers and aircraft. The proposal, which still needs to go through a public comment period, focuses on regulations affecting the auto industry. If passed, it would repeal all greenhouse gas standards for light-, medium- and heavy-duty vehicles and heavy-duty engines.

"With this proposal, the Trump

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