The phrase refers to a compulsory automobile emissions inspection carried out throughout the metropolis of San Jose, California. This inspection is a requirement for automobile registration renewal and possession switch, making certain autos working throughout the space meet established air high quality requirements. Failure to cross leads to the automobile requiring repairs and subsequent re-inspection earlier than registration can proceed.
These inspections are essential for sustaining air high quality and public well being within the area. By figuring out and rectifying autos with extreme emissions, the method helps scale back pollution akin to smog and dangerous gases, contributing to cleaner air and mitigating respiratory issues. The follow displays a broader historic pattern in direction of environmental regulation and consciousness of the influence of car emissions on city environments.