To provide that customs officers and immigration officers have the authority to deny entry into the United States of certain foreign motor vehicles that do not comply with applicable laws governing motor vehicle emissions, and for other purposes.

[AI summary unavailable — showing source text] Directs: (1) Federal departments and agencies to cooperate with State and local enforcement of State auto emission standards; and (2) U.S. customs and immigration officers to deny U.S. entry to noncommercial motor vehicles that do not meet certain auto emission standards.…