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As California Floats 2025 Utility Gear Phaseout Of SF6, Firms Seek Flexibility

December 01, 2017
California air board staff are floating a preliminary regulatory plan to phase out the use of the extremely potent greenhouse gas sulfur hexafluoride (SF6) in electrical "switchgear" insulation by 2025, a proposal that is drawing opposition from one major utility and urgent requests by others to offer compliance flexibility. The proposal is included in a set of amendments proposed by California Air Resources Board (CARB) staff to its regulation to reduce emissions from "gas insulated switchgear" (GIS), which was first...


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