--- title: blog | Nathan Ament --- [Skip to content](https://sacvalleydieseltesting.com/blog/author/nathan-ament#main-content) [![Screenshot 2025-02-18 at 10.34.07 PM](https://sacvalleydieseltesting.com/hs-fs/hubfs/Screenshot%202025-02-18%20at%2010.34.07%20PM.png?width=244&height=121&name=Screenshot%202025-02-18%20at%2010.34.07%20PM.png)](https://sacvalleydieseltesting.com) - [Home](https://sacvalleydieseltesting.com) - [About](https://sacvalleydieseltesting.com/carb-info) - [Blog](https://sacvalleydieseltesting.com/blog) - [FAQ](https://ww2.arb.ca.gov/our-work/programs/inspection-and-maintenance-program/hd-im-fact-sheets) - [Diesel Motorhomes](https://sacvalleydieseltesting.com/motorhome-carb-testing) Open main navigation Close main navigation - [Home](https://sacvalleydieseltesting.com) - [About](https://sacvalleydieseltesting.com/carb-info) - [Blog](https://sacvalleydieseltesting.com/blog) - [FAQ](https://ww2.arb.ca.gov/our-work/programs/inspection-and-maintenance-program/hd-im-fact-sheets) - [Diesel Motorhomes](https://sacvalleydieseltesting.com/motorhome-carb-testing) - [530-650-6646](tel:5306506646) [530-650-6646](tel:5306506646) Get a Jump on California's Clean Truck Regulations!   Navigate the CARB Clean Truck Check Program with confidence. Our mobile testing team brings expert compliance solutions directly to you, making it simple to: - Keep your fleet running legally - Avoid costly violations - We submit your compliance test to CARB At Sac Valley Mobile Diesel Testing, we specialize in hassle-free compliance testing at your location. Our certified testers help you understand the latest CARB regulations while providing fast, professional service to keep your vehicles on the road. Need clarity on the new requirements? Questions about testing? Contact us today for straight answers and reliable solutions. ![CTC_Testers_hrz-color](https://sacvalleydieseltesting.com/hubfs/CTC_Testers_hrz-color.svg "CTC_Testers_hrz-color") [![](https://static.wixstatic.com/media/c17e34_4f3640b51a6b4ce186705ae802ff7461~mv2.png/v1/fill/w_1480,h_982,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/c17e34_4f3640b51a6b4ce186705ae802ff7461~mv2.png)](https://sacvalleydieseltesting.com/blog/stay-compliant-with-semi-annual-carb-testing) [Clean Truck Check Compliance](https://sacvalleydieseltesting.com/blog/tag/clean-truck-check-compliance) ### [Stay Compliant with Semi-Annual CARB Testing](https://sacvalleydieseltesting.com/blog/stay-compliant-with-semi-annual-carb-testing) [![](https://sacvalleydieseltesting.com/hubfs/Screenshot%202025-01-31%20at%208.35.03%20PM.png)](https://sacvalleydieseltesting.com/blog/missed-your-carb-clean-truck-check-deadline-heres-what-you-need-to-do) [Compliance Rules](https://sacvalleydieseltesting.com/blog/tag/compliance-rules) ### [Missed Your CARB Clean Truck Check Deadline? Here’s What You Need to Do](https://sacvalleydieseltesting.com/blog/missed-your-carb-clean-truck-check-deadline-heres-what-you-need-to-do) [![](https://sacvalleydieseltesting.com/hubfs/Screenshot%202025-01-31%20at%208.18.59%20PM.png)](https://sacvalleydieseltesting.com/blog/beat-the-deadline-your-guide-to-the-carb-clean-truck-check) [CARB Updates](https://sacvalleydieseltesting.com/blog/tag/carb-updates) ### [Beat the Deadline: Your Guide to the CARB Clean Truck Check](https://sacvalleydieseltesting.com/blog/beat-the-deadline-your-guide-to-the-carb-clean-truck-check) [![](https://sacvalleydieseltesting.com/hubfs/Screenshot%202024-12-18%20at%207.12.19%20PM.png)](https://sacvalleydieseltesting.com/blog/california-clean-truck-check-a-guide-for-out-of-state-truckers) [Compliance Rules](https://sacvalleydieseltesting.com/blog/tag/compliance-rules) ### [California Clean Truck Check: A Guide for Out-of-State Truckers](https://sacvalleydieseltesting.com/blog/california-clean-truck-check-a-guide-for-out-of-state-truckers) [![](https://sacvalleydieseltesting.com/hubfs/AI-Generated%20Media/Images/The%20image%20depicts%20a%20serene%20California%20landscape%20featuring%20a%20diverse%20array%20of%20recreational%20vehicles%20RVs%20parked%20along%20a%20scenic%20vista.jpeg)](https://sacvalleydieseltesting.com/blog/carb-clean-truck-check-what-rv-owners-in-ca-need-to-know-2025-updates) [motorhome owner's](https://sacvalleydieseltesting.com/blog/tag/motorhome-owners) ### [CARB Clean Truck Check: What RV Owners in CA Need to Know (2025 Updates)](https://sacvalleydieseltesting.com/blog/carb-clean-truck-check-what-rv-owners-in-ca-need-to-know-2025-updates) [![](https://sacvalleydieseltesting.com/hubfs/Screenshot%202024-08-19%20at%202.00.47%20AM.png)](https://sacvalleydieseltesting.com/blog/california-fleet-management-know-how) ### [California Fleet Management Know How](https://sacvalleydieseltesting.com/blog/california-fleet-management-know-how) [![trucks in parking lot](https://sacvalleydieseltesting.com/hubfs/AdobeStock_257806524-1.jpeg)](https://sacvalleydieseltesting.com/blog/fleet-management-a-guide-to-hos) ### [Fleet Management: A Guide to HOS](https://sacvalleydieseltesting.com/blog/fleet-management-a-guide-to-hos) [![motorhome in the mountains ](https://sacvalleydieseltesting.com/hubfs/Screenshot%202024-09-29%20at%201.08.31%20PM.png)](https://sacvalleydieseltesting.com/blog/10-essential-rv-maintenance-tips-every-motorhome-owner-should-know) [motorhome owner's](https://sacvalleydieseltesting.com/blog/tag/motorhome-owners) ### [10 Essential RV Maintenance Tips Every Motorhome Owner Should Know](https://sacvalleydieseltesting.com/blog/10-essential-rv-maintenance-tips-every-motorhome-owner-should-know) [![semi truck](https://sacvalleydieseltesting.com/hubfs/Screenshot%202024-08-19%20at%202.10.50%20AM.png)](https://sacvalleydieseltesting.com/blog/shifting-gears-4-modern-challenges-for-todays-fleet-managers) [fleet management](https://sacvalleydieseltesting.com/blog/tag/fleet-management) ### [Shifting Gears: 4 Modern Challenges for Today's Fleet Managers](https://sacvalleydieseltesting.com/blog/shifting-gears-4-modern-challenges-for-todays-fleet-managers) [![](https://sacvalleydieseltesting.com/hubfs/Screenshot%202024-07-05%20at%2010.28.08%20PM.png)](https://sacvalleydieseltesting.com/blog/the-key-to-fleet-success-keeping-your-drivers-happy-and-loyal) [fleet management](https://sacvalleydieseltesting.com/blog/tag/fleet-management) ### [The Key to Fleet Success: Keeping Your Drivers Happy and Loyal](https://sacvalleydieseltesting.com/blog/the-key-to-fleet-success-keeping-your-drivers-happy-and-loyal) First Prev [1](https://sacvalleydieseltesting.com/blog) [2](https://sacvalleydieseltesting.com/blog/author/nathan-ament/page/2) [3](https://sacvalleydieseltesting.com/blog/author/nathan-ament/page/3) [4](https://sacvalleydieseltesting.com/blog/author/nathan-ament/page/4) [Next](https://sacvalleydieseltesting.com/blog/author/nathan-ament/page/2) [Last](https://sacvalleydieseltesting.com/blog/author/nathan-ament/page/4) [![](https://sacvalleydieseltesting.com/hs-fs/hubfs/Screenshot%202024-09-02%20at%209.04.58%20AM-1.png?width=444&height=228&name=Screenshot%202024-09-02%20at%209.04.58%20AM-1.png)](https://sacvalleydieseltesting.com/)   Learn more about the California Air Resources Board HD/IM Diesel Emissions Program that goes into effect this year by clicking on the links under Resources.       [facebook-f icon](https://www.facebook.com/profile.php?id=61570893532975) [linkedin-in icon](https://www.linkedin.com/company/106506390/admin/dashboard/) [youtube icon](https://youtu.be/mwR0TwFdHPU?si=uVxVAgoWq2lVix7B) instagram icon ## **Resources** [Clean Truck Check Website](https://ww2.arb.ca.gov/our-work/programs/CTC) [Truck Stop Videos - Including Spanish Versions](https://www.youtube.com/@carbtruckstop5804/videos) [CARB Motorhome FACT SHEET](https://ww2.arb.ca.gov/resources/fact-sheets/clean-truck-check-motorhome-fact-sheet) [The NEW Semi-Annual Testing Requirements](https://ww2.arb.ca.gov/clean-truck-check-requirements-vehicles-subject-semi-annual-compliance) [CARB info VIDEO](https://ww2.arb.ca.gov/our-work/programs/truckstop-resources/truckstop/training-course-clean-truck-check-hd-im-program) [Testing Twice A Year - Calendar](https://ww2.arb.ca.gov/clean-truck-check-requirements-vehicles-subject-semi-annual-compliance) [Vehicle Inspection System (CTC-VIS) Portal](https://cleantruckcheck.arb.ca.gov) [Database Reporting Instructions CTC-VIS](https://youtu.be/Zd1YaEBM-hE?si=KXFPV6TxuKQ6yM21) [DPF Maintenance](https://youtu.be/NB_dZTnhYTs?si=gC8S-TU8bzEdbekw) [Information About Selling a Vehicle](https://ww2.arb.ca.gov/resources/fact-sheets/dealer-fact-sheet-clean-truck-check) [Information About Clearning Codes](https://ww2.arb.ca.gov/board-diagnostic-obd-readiness-criteria) [Acceptable Smoke Levels For Smoke Tests](https://ww2.arb.ca.gov/sites/default/files/inline-images/Opacity%20%25s.png) [Missing Engine Label Information](https://ww2.arb.ca.gov/resources/fact-sheets/clean-truck-check-what-do-when-ecl-missingillegible) [Our Site Data Privacy Policy\*](https://www.freeprivacypolicy.com/live/4839b8f5-5648-436e-9a7c-d6f08e41b09e)   ![CTC_Testers_hrz-white](https://sacvalleydieseltesting.com/hubfs/CTC_Testers_hrz-white.svg "CTC_Testers_hrz-white") Information about CARB and HD/IM Program is subject to change, for the most accurate and up-to-date information go to the California Air Resouces Board Website                                                                                                                                                                                                                    Copyright © 2026, Sac Valley Mobile Diesel Testing