Automobiles. Laws and regulations Legislature approves car exhaust check plan in 9 heavily populated Colorado. counties. Post Je 4, 1977 p.32 RNIN Je 4, 1977 p.8 Amendment to Clean Air Act in U.S. senate would allow Colorado to proceed with auto inspection program. PM J8 11, 1977 p.8 Hike in auto repair cast expected with new law taking effect Ja 1. RMN D 14, 1977 p.22 0
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