NINTH CIRCUIT UPHOLDS WASHINGTON CARBON-ALLOWANCE PROGRAM AGAINST DORMANT COMMERCE CLAUSE CHALLENGE
In PacifiCorp v. Sixkiller, No. 24-4803, 2026 WL 2277099 (9th Cir. Aug. 7, 2026), the Ninth Circuit affirmed dismissal with prejudice of PacifiCorp’s challenge to Washington’s Climate Commitment Act (“CCA”). PacifiCorp argued that the Washington State Department of Ecology violated the Dormant Commerce Clause through enforcement of decarbonization requirements under the CCA by providing no-cost…
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