Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines
Follow these steps for certification.
STEP 1: Confirm that you have access to Verify.
STEP 2: Update manufacturer information in Verify.
To update information, users must have the "Maintain Manufacturer Information" role in the Verify system. Otherwise, users will only be able to view the information.
Information to Update
- Industry sector(s);
- Addresses;
- Contacts and Industry/Compliance Programs;
- Test labs; and
- Notification email addresses (used for Verify's broadcast notifications).
STEP 3: Review all applicable regulations.
Regulations provide requirements for certification and compliance.
Regulations
- 40 CFR Part 85
Control of air pollution from mobile sources. - 40 CFR Part 86
Control of emissions from new and in-use highway vehicles and engines. - 40 CFR Part 1036
Control of emissions from new and in-use heavy-duty highway engines. - 40 CFR Part 1037
Control of emissions from new heavy-duty motor vehicles. - 40 CRF Part 1065
Engine testing procedures. - 40 CFR Part 1068
General compliance provisions for highway, stationary, and nonroad programs. - 49 CFR Part 535
Medium- and heavy-duty vehicle fuel efficiency program.
Selected Guidance Letters
- Information about Family Naming Conventions
- Changes in Submission Process of Emissions-Related Defect and Recall Reports under 40 CFR Part 1068, Subpart F (PDF)(1 p, 67 K, August 1, 2016)
- "Downgrading" Engines for Purpose of Exportation (PDF)(2 pp, 42 K, May 16, 2016)
- Use of FA-4 Engine Oil for Testing of Heavy-Duty Highway Engines (PDF)(3 pp, 194 K, May 2, 2016)
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.
STEP 4: Pay appropriate certification fees, as applicable.
A fee payment may be required for each certificate issued by EPA.
For more details, go to: Fees Information
STEP 5: Prepare certification application materials.
For each model year for an Engine Family, you must provide the applicable certification dataset and supporting materials.
Support Documentation for Submissions
Materials Specific to Heavy-Duty (HD) Commercial Trucks & Buses and HD Engines
- Engines:
- System documentation for heavy duty engines
Includes data requirements, business rules, XML schema, XML schema change log, calculations spreadsheet, and standards decision tables. - Data import templates for heavy-duty engines
Includes a import templates for models and parts and auxiliary emission control devices.
- System documentation for heavy duty engines
- Vehicles:
- System documentation for heavy-duty vehicles
Includes data requirements, business rules, XML schema, and XML schema change log. - Import file for heavy duty vehicles
Includes a template for heavy-duty vehicle tire configuration.
- System documentation for heavy-duty vehicles
- Other materials:
- Presentations about heavy-duty engine and vehicle modules in Verify
Includes presentations for heavy-duty tractors and vocational vehicle module, heavy-duty engine module, and heavy-duty evaporative module.
- Presentations about heavy-duty engine and vehicle modules in Verify
Materials for All Verify Users
- Software release notes for Verify
- Verify system documentation for request for certificate (RFC) module
Includes data requirements and business rules. - Verify system documentation for cross-industry services
Includes data requirements and business rules.
STEP 6: Submit the completed certification application materials
in Verify.
Login to the Verify System through the CDX portal: Central Data Exchange (CDX)
- For more about roles, see: Information about "MyCDX" roles in the Verify system
Submit the completed certification dataset and upload any required supporting materials.
STEP 7: Confirm that your submission(s) from Step 6 were accepted by Verify.
Within a few minutes of all submissions, the submitter will receive a notification in their CDX inbox indicating whether the submission was accepted or rejected.
To access your CDX inbox, click the "Inbox" link on the left navigation bar of the MyCDX homepage.
STEP 8: Submit a request for certificate (RFC).
A CROMERR signer must submit an RFC for each Engine Family.
To do so, click the "CROMERR Signer" role on your MyCDX homepage.
- For more about roles, see: Information about "MyCDX" roles in the Verify system
STEP 9: Receive Certificate of Conformity.
The CROMERR signer will receive the certificate in his or her CDX inbox.
To access your CDX inbox, click the "Inbox" link on the left navigation bar.