OAKLAND — October 29, 2026. California has filed a court challenge seeking to preserve a state law that would restrict sales of certain single-use, non-refillable propane cylinders beginning January 1, 2028. The state attorney general’s office announced the lawsuit after the federal Pipeline and Hazardous Materials Safety Administration (PHMSA) determined that parts of the state measure were preempted by federal hazardous-materials transportation law.
The contested measure is Senate Bill 1280, authored by State Senator John Laird. It addresses types of small propane containers commonly used with camp stoves, portable heaters and lanterns. It does not prohibit propane fuel generally, and it has listed exceptions. The planned 2028 sales restriction should not be presented as a ban already taking effect in October 2026.
What changed on October 29?
Attorney General Rob Bonta petitioned the U.S. Court of Appeals for the D.C. Circuit to review and vacate PHMSA’s September 10 preemption determination. According to the state’s October 29 filing announcement, the dispute followed a request from disposable-cylinder manufacturer Worthington Enterprises, Inc.
PHMSA concluded that the California measure conflicted with federal cylinder-design and transportation requirements. California disputes that interpretation, arguing that federal rules already authorize refillable cylinder designs and that the state law concerns the sale of specified disposable containers, not their interstate transportation.
Why do waste agencies care about small propane bottles?
Even seemingly empty one-pound cylinders can retain flammable gas. In waste trucks, sorting facilities and landfills, punctures or crushing may cause explosions or fires. California’s attorney general estimates that millions of disposable cylinders are sold in the state annually and that a large share enter ordinary waste streams rather than being handled as hazardous waste. Those quantities are the state’s estimates and should not be mistaken for an independent statewide audit by this publication.
What does this mean for campers and retailers now?
No one should assume that the October 29 filing immediately changed retail availability, existing cylinder disposal requirements or the January 2028 planned start date. The court must consider the parties’ arguments, and subsequent orders could affect whether and how SB 1280 may be implemented. For the present, users should follow local hazardous-waste rules for spent fuel containers and never place cylinders containing residual propane in ordinary recycling on the assumption they are empty.
For California camping and outdoor recreation, the longer-term policy question is whether refillable alternatives can reduce waste hazards while remaining practical and affordable. The lawsuit itself does not resolve those market questions.
Primary source and status
California Department of Justice, October 29, 2026, SB 1280 preemption challenge. The statement identifies the September 10 PHMSA determination and the requested judicial review.
California58: Filed challenge reported October 29, 2026. This is an unresolved case, not a final judicial ruling in California’s favor or proof that the future sales restriction is presently operative. The article will be updated if the court rules.
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