Unverified50% confidenceFactExact time
1990年《清洁空气法》修正案引入了车载诊断系统（OBD）强制标准，要求所有1996年后生产的车辆必须内置标准化的排放监控接口
1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
Related Claims
UnverifiedThe Clean Air Act established the National Ambient Air Quality Standards (NAAQS), requiring new or modified major stationary emission sources to obtain permits and install Best Available Control Technology (BACT).64% similarUnverifiedThe Clean Air Act is a U.S. federal environmental law enacted in 1970, significantly amended in 1977 and 1990, and requires new or significantly modified stationary sources to pass the New Source Review (NSR) process before beginning operation.63% similarUnverifiedThe Clean Air Act requires new or significantly modified stationary pollution sources to complete the New Source Review (NSR) process before commencing operation.57% similar
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