The phrase refers to a compulsory car emissions inspection carried out throughout the metropolis of San Jose, California. This inspection is a requirement for car registration renewal and possession switch, guaranteeing automobiles working throughout the space meet established air high quality requirements. Failure to cross leads to the car 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 automobiles with extreme emissions, the method helps cut back pollution reminiscent of smog and dangerous gases, contributing to cleaner air and mitigating respiratory issues. The follow displays a broader historic development in the direction of environmental regulation and consciousness of the affect of car emissions on city environments.