A bill to amend the Clean Air Act to require vehicles sold at high altitudes to comply with emission standards.

[AI summary unavailable — showing source text] Amends the Clean Air Act to require motor vehicles manufactured in model years 1980 through 1983 and sold at specified high altitudes to comply with emission standards established under such Act. Stipulates that such regulations shall prohibit pricing discrimination between high and low altitude dealers and discrimination in model range availability. Restricts issuance of certificates of conformity under the Clean Air Act to those models or engines which have been issued a certificate of conformity with the regulations established by this Act.…