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Propane InsiderSeptember 10, 2026

Federal Law Preempts California's Cylinder Reuse Mandate for Fleets

PHMSA ruled Sept. 10 that federal hazmat law preempts SB 1280, California's ban on non-refillable one-pound propane cylinders — the rule that would have forced fleets and retailers off the DOT-39 bottle starting Jan. 1, 2028. If you sell, exchange, or haul those cylinders in California, nothing about your program changes this week; the state has a narrow, dated window to fight the ruling, and that window is the only thing worth watching.

Originally published on Propane Insider.