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6/5/24, 8:57 PM

Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines | US EPA

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Certification for Heavy-Duty (HD)
Commercial Trucks and Buses and
Onroad HD Engines
Follow these steps for certification.

Related Topic

STEP 1: Confirm that you
have access to EV-CIS.
You must register with EPA to gain access to EV-CIS, formerly
Verify, for the specific manufacturer code  for which you are
seeking certification.
How to register for EV-CIS

For all onroad, see:
Onroad Vehicles
and Engines

You must also set up an account with EPA to establish the
necessary EV-CIS roles.
Account setup for 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.

Information to Update
Updates include (but are not limited to):

https://www.epa.gov/ve-certification/certification-heavy-duty-hd-commercial-trucks-and-buses-and-onroad-hd-engines

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Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines | US EPA

Industry sector(s);
Addresses;
Contacts and Industry/Compliance Programs;
Test labs; and
Notification email addresses (used for EV-CIS' broadcast notifications).

STEP 3: Review all applicable regulations.
Regulations provide requirements for certification and compliance.

Regulations
Review the following:
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 CFR 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
Review 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)(67 KB, August 1, 2016)

https://www.epa.gov/ve-certification/certification-heavy-duty-hd-commercial-trucks-and-buses-and-onroad-hd-engines

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Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines | US EPA

"Downgrading" Engines for Purpose of Exportation (pdf) (42 K, May 16, 2016)
Use of FA-4 Engine Oil for Testing of Heavy-Duty Highway Engines (pdf) (194 KB, May 2, 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 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 import templates for models and parts and auxiliary emission control devices.

https://www.epa.gov/ve-certification/certification-heavy-duty-hd-commercial-trucks-and-buses-and-onroad-hd-engines

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Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines | US EPA

Vehicles:
Heavy-Duty Vehicle Certification Tutorial

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 templates for importing heavy-duty vehicle tire configurations and applicable vehicle families for
powertrain test, axle power loss map, and transmission data.

Other materials:
Presentations about heavy-duty engine and vehicle modules in EV-CIS

Includes presentations for heavy-duty tractors and vocational vehicle module, heavy-duty engine module, and
heavy-duty evaporative module.

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
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 dataset and upload any required supporting materials.

https://www.epa.gov/ve-certification/certification-heavy-duty-hd-commercial-trucks-and-buses-and-onroad-hd-engines

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Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines | US EPA

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 Engine Family.
To do so, click the "CROMERR Signer" role on your MyCDX homepage.

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.

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