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By notice dated July 31, 2025, the California Air Resources Board (CARB) announced it would conduct a public workshop to discuss proposed amendments to the Procedures for Exemption of Add-on and Modified Part(s) for On-Road Vehicle(s)/Engine(s). The workshop was scheduled for August 28, 2025, at 1:00 p.m.

Please be advised that the workshop has been postponed, and a subsequent notice will follow in the future with more information.

Clearing California Skies for Over 50 Years

CARB is the lead agency for California’s fight against climate change, and oversees all air pollution control efforts in the state to attain and maintain health-based air quality standards.

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