California Air Resources Board certifies Zonar as first and, so far, only telematics device for its Clean Truck Check emissions testing program.

The Illinois Secretary of State’s office is partnering with the Illinois EPA to make the emissions testing process easier for drivers. Sec. of State Alexi Giannoulias pulled up to a mobile emissions ...

CHICAGO (WGN)—The Illinois Environmental Protection Agency on Friday announced updates to the state’s Vehicle Emissions Testing Program, including the reopening of the Forest Preserve Drive ...

State pilots vehicle emissions tests on South Side If demand is high enough, the state may open a permanent emissions testing kiosk at the King Drive site, Secretary of State Alexi Giannoulias said.