Thanks for the link and pics. That's the first I've seen of roadside testing. They don't do it in Missouri. I'll be sure to stay out of Colorado, the UK, and South Africa if I'm belching thick black smoke out of my tailpipe.

Thanks again,

Steve.

Google what? Motor vehicle licensing, emissions testing is governed by State Law, not by county ordinances. While certain counties within a State may have testing requirements while others don't (normally counties with big cites), the laws are set by the States. If you have any links to information ...

This is something that I have never heard and definitely have never seen. How would a police officer in a state like Missouri be able to perform a roadside emissions test? When we used to have a testing requirement, it took huge expensive equipment (chassis dyno plus sniffer) in order to perform the...

E320: You are correct for the most part. What is peculiar about the U.S. is that motor vehicle licensing varies from state to state. I happen to live in Missouri, which is a relatively unrestricted state compared to many others. In Missouri, we do not have emissions inspections for any vehicles prio...

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