Welcome to Pennsylvania's official web site
on vehicle emissions inspection!
Information regarding the new required OBD and Visual Emissions testing equipment
The emissions inspection program was developed by the Departments
of Transportation and Environmental Protection with input
from the public and the various representatives of the auto
Tailored to meet Pennsylvania's specific air quality improvement
needs, the program focuses on motorist convenience and choice.
If required for your vehicle, the emissions inspection is
due once a year at the same time or before your annual safety