California Council on Diesel Education and Technology
A Guide to ARB’s Heavy Duty Diesel Vehicle Regulations provides basic information and resources to help take the guesswork out of California’s clean truck and bus requirements.
The Supplemental Environmental Project Report is a CCDET publication that highlights our objectives, activities, outcomes, and how Supplemental Environmental Project (SEP) funding supports our efforts.
Guide to Maintenance of DPF
Preventive Maintenance Videos
CCDET II Student Course Materials
This document contains the Course Materials for the CCDET IV course.
CCDET I: Clean Truck Check
Course Outline, Handouts, & Student Slides for the CCDET I course.
CCDET I: SAE J1667 Snap Summary
This document summarizes the key elements of the Snap-Acceleration Procedure in a single handout. Print it booklet-style on 11″ x 17″ paper, and the four pages fit on one, foldable sheet of paper.
CCDET III Student Course Materials
CCDET III: Opacity Testing for Cargo Handling Equipment (CHE) Student Guide
This document contains the Course Outline, Handouts, and Student Slides for the CCDET III course.
SAE J1667 and Diesel Particulate Matter
Diesel Programs and Activities
Diesel Programs and Activities. This page provides links a variety of topics related to diesel including:
Advisories and Regulations
California Air Resources Board (CARB) Resources
CARB Heavy-Duty Diesel Inspection & Periodic Smoke Inspection Programs This page contains multiple links to important information related to these programs.