The “check engine” light is the most annoying orange icon in America. Half the time the car feels fine, and the other half ...

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Emissions testing has become a hot topic in the '90s and will continue to generate more interest as testing is enforced nationwide. You can count on it. For those rodders who have never experienced a ...

Karl is a Senior Editor at CarBuzz and first joined the company as a freelancer in 2019. After graduating as a copywriter and studying journalism, his early work life included stints in television ...

For those living in California or other states that have used the Golden State's smog laws as the basis for their own, modifying the engine of most 1976 and later gasoline-powered vehicles is nearly ...

I heard there's some sort of gas additives that you can get that will let your old, maybe "not-quite-up-to-the-environmental-standards" car pass the smog test. Anybody know?<P>2Fast4U<P>[This message ...

Nearly a third of older-model cars stopped for roadside smog tests in Southern California failed them, despite having received a passing grade at inspection stations within a year, a state audit has ...

Bringing greater efficiency, transparency, and convenience to both drivers and smog check providers in California. San Francisco, California--(Newsfile Corp. - July 8, 2025) - Smog Check Network is ...

Gordon Prow of the state Bureau of Automotive Repairs’ inspections unit prepares to test a car Monday, Jan. 11, 2016, at a curbside smog check station on Kiernan Avenue in Salida. Garth Stapley ...

From July 19, 2021, California will start testing for non-approved ECU tunes during its biennial Smog Check program. First spotted by Car Bibles (via Road & Track), the rules state that any software ...