Proposed Amendments to the Heavy-Duty Vehicle Inspection Program and the Periodic Smoke Inspection Program
Background Materials 

This page last reviewed April 3, 2018 

The information on this page is provided to support the April 2018 Staff Report: Initial Statement of Reasons: Proposed Amendments to the Heavy-Duty Vehicle Inspection Program and the Periodic Smoke Inspection Program.


Emissions and Economic Data





Diesel Activities