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On Friday, the U.S. Supreme Court overruled its 40-year-old decision in Chevron v. Natural Resources Defense Council, which had lawyers buzzing and many others wondering what the big deal with Chevron is anyway.
I’ll explain.
What is Chevron?
In Chevron, the Supreme Court had to decide whether the Clean Air Act permits the Environmental Protection Agency to define the term “stationary source” in a particular way because the Act itself did not define it. The court answered that question with a two-part test. The first step was to examine the underlying statute. If Congress had spoken directly on the issue, then