Training and Information on DECS Installation and Maintenance  

This page last reviewed September 9, 2013

DECS Training Videos:


ARB has designed a series of short videos to educate diesel fleet administrators about diesel emission retrofits and their installation.

Video Module 1-1: Program Introduction
video module 1

Video Module 1-2: How to Select the Proper Retrofit

Video Module 1-3: Retrofit Installation Requirements

Video Module 1-4: Essential Engine and Retrofit Maintenance Practices

Video Module 1-5: Retrofit Program Enforcement and Compliance

DECS Maintenance Handbook:


ARB has developed an instructional guide to inform diesel fleet administrators about diesel emission retrofit care and maintenance.


DECS Maintenance Video:


ARB has converted the maintenance handbook to a video format.


Additonal Training:


California Council on Diesel Education and Technology (CCDET)
The CCDET offers courses, through selected California community colleges, that provide an in-depth look at the ARB Heavy-Duty Vehicle Inspection Program (HDVIP) and the Periodic Smoke Inspection Program (PSIP), as well as Diesel Exhaust After-Treatment and Maintenance.


ARB’s Course 511 - Diesel Exhaust After-Treatment Devices

This course discusses diesel emissions and health effects; diesel engine PM and NOx production and control strategies; DPF theory, types, regeneration, and application. 

preload