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About this site

Emissions Test by State is for drivers who have a renewal notice in hand, are moving, or are buying a car, and want to read the rule itself.

What is this site, and what isn’t it?

It is a reference. Every fact about a testing program is a sentence from an official source, shown in quotation marks with a link and the date we read it. The home page has a checker that compares a model year and a weight rating with the figures in those quotes, and the comparison table puts the states side by side.

It is not a government site, and it is not run by any agency or testing contractor. It can’t see your registration, it can’t tell you what applies to your vehicle, and it is not legal advice. Nobody paid to be listed, and the site doesn’t sell tests, waivers or appointments.

What does it cover?

All 50 states and the District of Columbia are listed. For 28 of them we could quote an official text describing a program. The other 23 are on one page that separates “an official source says the state requires no test” from “we found no statement”. How it works describes the method, lists the official pages that did not open for us, and says how to send a correction.

Fonts

Chakra Petch and Libre Franklin, under the SIL Open Font License (notice, notice). The site uses no photos and no agency marks.

Who makes this?

Emissions Test by State is published by North Coast AI LLC in Ohio. It was built with AI assistance and reviewed by Bill Burkey. It is independent and is not affiliated with any government agency, any state program, or any company that runs testing stations. The site is supported by advertising; no listing is paid.