ELR Citation: ELR 20636
No(s). 71-1645 (7th Cir. Sep 19, 1972)

In a suit by the city of Chicago seeking to require defendants to equip all new and old vehicles operating in Chicago with tamper-proof emission control devices, the district court's dismissal, 1 ELR 20408, is affirmed. Federal legislation is held to preempt enforcement of emissions standards for ca...