Hours after being sworn in as the new U.S. Secretary of Transportation, Sean Duffy took aim at the main way the federal ...

Sean Duffy took aim at the main way the federal government regulates miles per gallon for cars and pickup trucks — also a principal way that it regulates air pollution and addresses climate change.

Hino's actions directly undermined EPA's program to protect the public from air pollution," said Acting ... Highway Transportation Administration (NHTSA). Advertisement Article continues below ...