California Gov. Gavin Newsom (D) signed a bill this week to ban one-pound, single-use propane cylinders, meaning that only more expensive reusable cylinders will be available in the state. The San Francisco Chronicle reported: Disposable propane canisters like the dark green ones used with camping stoves will soon be phased out in California, after Gov. Gavin Newsom signed legislation Sunday requiring all one-pound cylinders sold in the state to be reusable or refillable starting in 2028. … Between 4 million and 7 million of the single-use cylinders are sold in California each year, according to an estimate from the California...