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Our Work: Municipal

Retrofits, DPF cleaning, & maintenance

Municipal Retrofits, DPF Cleaning & Fleet Maintenance

 

DES is your source for Retrofits & DPF Cleaning for your agency’s fleet large or small.

CARB & EPA requirements differ depending on the type of diesel vehicle. Municipal buses & vehicles have different emissions fleet maintenance requirements than farm equipment or dump trucks. Diesel Emissions Service can help you navigate these confusing requirements and implement an emissions strategy suited for your municipal fleet vehicles and their specific functions. In particular, preparing estimates, installing compliant retrofit emissions systems, plus assisting with retrofit grant applications in states such as Oregon.

Read more about current CARB initiatives relating to Transit Agencies on the California Air Resources Board website here: Innovative Clean Transit.

Here are just a few examples of our municipal/fleet retrofit & maintenance projects.

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<< Back to Our Work
Diesel Emissions Service (DES) began its operations in 2006 as the emissions division of parent company North State Truck Equipment, Inc., which has been serving the heavy duty truck market since 1978. DES was established to help California businesses meet and exceed the strict CARB and EPA emissions regulations placed on diesel trucks. Since 2006, DES has sold and/or installed over 15,000 emission control devices, and is now an industry leader in diesel emissions on the west coast and beyond.

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Latest NEWS

  • A 2026 Guide: That ‘CARB Exemption’ for Your RV or Pickup? Here’s What’s Changed
  • Oregon’s Diesel Retrofit Compliance Program Deadlines Approaching
  • FAQ – Clean Truck Check – HD I/M Program
  • DPF Cleaning: How Often?
  • Clean Truck Check Reporting Deadline Extended by CARB

888-792-2922

email: INFO@DES.DIRECT


LOCATIONS

REDDING, CA  |  888-792-2922

PORTLAND, OR  |  844-556-3150

SACRAMENTO, CA  |  866-223-1609

VANCOUVER, BC  |  888-295-7036

©2025 Diesel Emissions Service. All Rights Reserved.

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DPF Cleaning, CTC - HD I/M Testing, Emissions Parts/Service, & Retrofits
  • Home
  • About Us +
    • About Us
    • + Testimonials
    • + Jobs
    • + Warranty
  • Services
  • Locations +
    • Locations
    • + Redding
    • + Portland
    • + Sacramento
    • + Vancouver, BC
  • Projects +
    • Retrofit Projects
    • + Oregon Retrofit Grant Funding
    • + Retrofit Info for Older Diesels in Oregon
    • + Clean Air Construction Program – Portland, OR
    • + CARB & Emissions Compliance
    • + Oregon’s School Bus Clean Diesel Program
  • Our Work +
    • Our Work
    • + School Buses
    • + On-Road
    • + Off-Road
    • + Municipal
  • News
  • Contact Us
  • facebook
  • linkedin
  • youtube