Certification and Fuel Economy for Light-Duty Passenger Cars and Trucks
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 CRF Part 86
Control of emissions from new and in-use highway vehicles and engines. - 40 CRF Part 600
Fuel economy and greenhouse gas exhaust emissions of motor vehicles.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.
Selected Guidance Letters
- Information about Family Naming Conventions
- Fuel Economy Label Information for 2017 Model Year (PDF)(10 pp, 125 K, July 18, 2016)
- Preparing Light-Duty Vehicles and Trucks for Chassis Testing at EPA's National Vehicle and Fuel Emissions Laboratory (NVFEL) (PDF) (9 pp, 172 K, February 15, 2016)
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 and/or fuel economy 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 Passenger Cars & Trucks
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 and/or fuel economy 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 and/or fuel economy dataset(s) 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 Test Group.
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
- For more about submitting an RFC, see: Materials for RFC Module
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.