Stay Compliant with the 2025 California Truck Emissions Law
California Truck Emissions Law: The CARB Clean Truck Check is now officially in effect. If you operate a diesel truck weighing over 14,000 pounds in California, you are required to comply.
With new testing schedules, $30 annual fees, and strict penalties for non-compliance, it’s critical to understand how this law affects your vehicle or fleet.
At Easy Clean Truck Check, we register your truck(s) in the CTC-VIS system
- Perform OBD and opacity testing
- Help you meet all CARB Clean Truck Check deadlines
- Keep your fleet on the road and out of trouble
What Is the CARB Clean Truck Check?
The CARB Clean Truck Check, part of the Heavy-Duty Inspection and Maintenance (HD I/M) Program, is a statewide effort by the California Air Resources Board (CARB) to reduce smog-forming pollutants from trucks operating in the state.
Goal:
To monitor and enforce emissions standards on heavy-duty trucks over 14,000 pounds GVWR using Onboard Diagnostics (OBD) data and periodic emissions testing.
CARB Clean Truck Check Requirements (Effective 2025)
If you operate a diesel-powered truck in California, here’s what the Clean Truck Check requirements include:
✅ Who Must Comply?
- Diesel or hybrid trucks over 14,000 lbs GVWR
- In-state and out-of-state vehicles operating in CA
- Commercial and private fleets (including rental and lease vehicles)
Required Actions:
| Requirement | Description |
| CTC-VIS Registration | Register your vehicle with CARB’s Clean Truck Check Vehicle Information System |
| OBD or Opacity Emissions Test | Submit test results through a certified provider (Easy Clean Truck Check is one!) |
| Annual Compliance Fee | Pay $30 per vehicle, due before your first scheduled test |
| Ongoing Testing | Conduct emissions testing every 6 months based on your DMV registration month |
Step-by-Step: How to Stay Compliant in 2025
Step 1: Register Your Vehicle
Create an account in the CTC-VIS portal and register each heavy-duty truck.
💳 Step 2: Pay the $30 Compliance Fee
Submit annually—required before your first emissions test.
🔍 Step 3: Get Tested by a Certified Provider
At Easy Clean Truck Check, we submit OBD or opacity test results directly to CARB.
📅 Step 4: Repeat Every 6 Months
Testing is twice yearly, based on your registration month. We’ll track your deadlines.
Important CARB Clean Truck Check Deadlines (2025)
| Deadline Type | Timing |
| Full Compliance Enforcement | January 1, 2025 – All covered vehicles must be fully registered and compliant |
| Semi-Annual Testing | Ongoing throughout 2025 – Based on registration month (twice yearly) |
| Compliance Fee Due | Before your first test in 2025 – Paid annually |
| DMV Holds Begin | Effective now (2025) – Non-compliant vehicles may be denied registration |
| NST Enforcement | Active in 2025 – Penalties apply if testing deadlines are missed |
✅ Pro Tip: Let us help you schedule and track your testing, so you never miss a deadline.
What Happens If You Don’t Comply?
Failing to meet CARB emissions compliance 2025 can lead to serious consequences:
- Vehicle registration denied
- DMV holds non-compliant trucks
- Notice to Submit Testing (NST) letters
- Penalties and enforcement fines
- Fleet operations disrupted
These rules are part of California’s strict diesel emissions regulation, which is designed to reduce pollution and enforce clean air standards.
Why Choose Easy Clean Truck Check?
We’re more than a test site. We’re your diesel emissions compliance partner.
| Service | What You Get |
| ✅ Certified Testing | OBD & Opacity |
| ✅ Fleet Support | Tracking, scheduling, and batch submissions |
| ✅ CTC-VIS Help | Registration & portal issues handled |
| ✅ On-Site Testing | We come to you—anywhere in CA |
| ✅ Compliance Confidence | We keep you audit-proof |
With experience in heavy-duty diesel emissions testing in CA and unmatched customer support, we help drivers pass tests and avoid penalties with confidence.
Final Thoughts: Don’t Wait to Comply
The CARB Clean Truck Check deadlines are here, and enforcement is already underway. Whether you manage a fleet or drive a single truck, don’t risk delays, fines, or registration issues.
Let Easy Clean Truck Check handle your emissions testing, registration, and compliance reporting so you can focus on the road.
📢 Book Your CARB Emissions Test Today!
🚚 Stay compliant with California diesel laws.
✅ Fast testing. ✅ Full reporting. ✅ No surprises.
👉 Schedule Now or Contact Us
FAQs: CARB Clean Truck Check & Emissions Testing
📌 Who is exempt from the Clean Truck Check?
Emergency vehicles, military trucks, and certain EVs may qualify. Check the official CARB exemption list.
📌 What happens if I miss my testing deadline?
You’ll receive a Notice to Submit Testing (NST). Repeated violations can block your DMV registration.
📌 What kind of emissions test is required?
- OBD Test: For most trucks, 2013 and newer
- Opacity Test: For older diesel vehicles without OBD
📌 Q4. Do you offer mobile fleet testing?
Yes! We provide on-site testing statewide for fleets large and small.
