Judge Richard Leon

Okay, maybe I was wrong. Just because the Supreme Court in Massachusetts v. EPA legislated from the bench in order to empower EPA to legislate from the bureau does not necessarily mean that lower courts will tolerate similar breaches of the separation of powers.

Yesterday (May 26, 2011), in Avenal Power Center v. EPA, District of Columbia Judge Richard Leon mockingly rejected EPA’s arguments for attempting to amend the Clean Air Act to suit the agency’s administrative convenience. Although not mentioned by him, Judge Leon’s reasoning may strengthen legal challenges to EPA’s greenhouse gas Tailoring Rule.

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