Whitman v. American Trucking Ass'ns

Whitman v. American Trucking Associations, Inc., 531 U.S. 457 (2001), was a decision of the United States Supreme Court reviewing a challenge to the Environmental Protection Agency's promulgation of National Ambient Air Quality Standards (NAAQS) under Administrator Christine Todd Whitman, brought by the American Trucking Association, other private companies, and the states of Michigan, Ohio, and West Virginia.

Source: Wikipedia — Whitman v. American Trucking Ass'ns (CC BY-SA 4.0)