Certification and Fuel Economy for Light-Duty Passenger Cars and Trucks
Follow these steps for certification.
STEP 1: Confirm that you have access to Engines and Vehicles Compliance Information System (EV-CIS).
STEP 2: Update manufacturer information in EV-CIS.
To update information, users must have the "Maintain Manufacturer Information" role in EV-CIS. Otherwise, users will only be able to view the information.
- Industry sector(s);
- Addresses;
- Contacts and Industry/Compliance Programs;
- Test labs; and
- Notification email addresses (used for EV-CIS's broadcast notifications).
STEP 3: Review all applicable regulations.
Regulations provide requirements for certification and compliance.
- 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 600
Fuel economy and greenhouse gas exhaust emissions of motor vehicles.
- Information about Family Naming Conventions
- Fuel Economy Label Information for 2017 Model Year (pdf) (125 KB, July 18, 2016)
- Preparing Light-Duty Vehicles and Trucks for Chassis Testing at EPA's National Vehicle and Fuel Emissions Laboratory (NVFEL) (pdf) (172 KB, 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.
Materials Specific to Passenger Cars and Trucks
- EV-CIS documentation for certification and fuel economy modules
- EPA Generic Multicycle Calculator (xlsx) (February 2020)
- EPA 2024 Generic Electric Vehicle Label Calculator (xlsm) (February 2023)
- EPA 2023 Generic Electric Vehicle Label Calculator (xlsm) (January 2022)
- EPA Plug-In Hybrid Electric Vehicle Calculator (xlsm)
Materials for All EV-CIS Users
- Software release notes for EV-CIS
- EV-CIS documentation for request for certificate (RFC) module
Includes data requirements and business rules. - EV-CIS documentation for cross-industry services
Includes data requirements and business rules.
STEP 6: Submit the completed certification and/or fuel economy application materials in EV-CIS.
Login to EV-CIS through the CDX portal: Central Data Exchange (CDX)
Click the applicable industry role on the MyCDX homepage.
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 EV-CIS.
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 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.