An zargi Michael Hart, mazaunin San Diego, da keta dokokin gwamnatin Amurka da nufin dakile amfani da iskar gas. Haramun ne a shigo da hydrofluorocarbons (HFCs) ba tare da izini na musamman da Hukumar Kare Muhalli (EPA) ta bayar ba. Ana zargin Hart da sayen kayan sanyaya a Mexico da kuma safarar su zuwa Amurka ta hanyar ɓoye su a ƙarƙashin tarpaulin da kayan aiki.
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