EPA is issuing an “enforcement alert” to raise awareness of its major initiative for curbing illegal imports of climate-warming hydrofluorocarbons (HFCs) amid a domestic phase-down of the chemicals under the American Innovation and Manufacturing (AIM) Act, with the topic representing a key element in both the agency’s enforcement and climate strategies. The Sept. 6 alert “emphasizes that the EPA is vigorously enforcing the AIM Act, using civil and criminal enforcement authorities, to prevent the illegal import, production, sale, or distribution,...