The U.S. Environmental Protection Agency plans to repeal all greenhouse gas emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines in the coming days after it removes the scientific finding that justified those rules,

The Trump administration wants to reverse a 2009 EPA finding that greenhouse gases endanger people. The finding is the basis for much of the United States' climate change regulations.

WASHINGTON - The Environmental Protection Agency is reportedly preparing to rescind its endorsement of a landmark 2009 report that says greenhouse gas emissions endanger human health. The report forms the basis for many of the EPA standards against air pollution.