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  1. Home
  2. Vehicle and Engine Certification

Hardship Relief for Participants in the Transition Program for Equipment Manufacturers (TPEM) of Heavy Equipment

  • TPEM
  • TPEM Hardship Relief
Related Topic
  • Certification and compliance for nonroad vehicles & engines 
On this page:
  • Overview
  • Regulatory requirements and recordkeeping
  • Who can participate
  • How to apply
  • Help desk for TPEM hardship relief

Overview

When current TPEM participants face unusual circumstances that cause technical or economic hardship, EPA regulations provide opportunities for additional allowances through hardship relief.

For information on TPEM, click the tab above or the following link:
  • Transition Program for Equipment Manufacturers

If granted, the amount of hardship relief may depend on the applicant's circumstances and the type of relief requested. 


Regulatory Requirements and Recordkeeping

Requirements for hardship relief depend on the type of relief.

There are two types of relief:
  1. Technical or engineering hardship relief; and
  2. Economic hardship relief.
Learn more about:
  • Regulatory requirements and recordkeeping for TPEM hardship relief

Who can participate

Hardship relief is available to equipment manufacturers who:
  • Manufacture heavy equipment;
  • Are already participating in TPEM;
  • Are not in violation of TPEM regulations and the allowance they selected;
  • Meet the requirements for the type of hardship relief they are seeking;
  • Can demonstrate that their company will face hardship when their regular TPEM allowances run out;
  • Can demonstrate that alternate engine suppliers could not ease or eliminate the impending hardship; and
  • Can demonstrate that the impending hardship:
    • Is not their fault;
    • Is outside of their control; and
    • Could not be avoided by prudent planning.

How to Apply

Complete the following five steps:

1. Determine whether you qualify.

Fill out the following pre-screening document. Only proceed to the next step if you qualify.

•  Pre-Screening Tool for Hardship Relief

2. Fill out additional paperwork.

If you qualify for hardship relief, fill out the following form.
  • Application Questionnaire for TPEM Hardship Relief Request

3. Assemble application package.

Make sure your package includes all items listed below. Incomplete packages will not be processed.

Materials for Application Package
Please provide PDF copies of:
  • Pre-Screening Tool for Hardship Relief
    Completed in Step 1 above.
  • Application Questionnaire for TPEM Hardship Relief Request
    Completed in Step 2 above.
  • Supporting Documentation
  • Your last TPEM annual report
    For more about TPEM reporting, go to the following section on the TPEM page: How to Apply or Report
  • CD of PDF files (if unable to submit by email)
    If you absolutely must mail your application package, please provide a CD of all PDF files.

4. Submit your completed application package.

In order to expedite processing, increase efficiency, and decrease environmental impact, EPA prefers submission by email.

Method Contact Information
Email
(EPA's preferred method)
 
TPEMHardshipRelief@epa.gov
US Postal Service or Courier Mail*
(includes mail or delivery by FedEx, UPS, etc.)
Director, Diesel Engine Compliance Center
U.S. Environmental Protection Agency
Office of Transportation & Air Quality
2000 Traverwood Drive
Ann Arbor, MI 48105
Verify Submission Currently NOT available

NOTE:
* Submissions that are mailed or delivered may experience processing delays.

5. EPA's review process.

EPA conducts reviews in two phases. You may not start using any additional allowances until you have received official notification of EPA's decision at the end of Phase 2.

Phase Description of Process Duration
Phase 1
Preliminary review is conducted to determine:
  • Whether your application is complete; and
  • Meets pre-screening requirements.
Duration of this phase depends on your ability to submit a complete application.
Phase 2
This phase:
  • Includes an in-depth review of all components of the application;
  • May include requests for more information; and
  • Will end in an official letter to the applicant indicating EPA's final decision.
Lasts between 45 and 70 business days.

Help Desk for TPEM Hardship Relief

For questions about TPEM hardship relief, contact the help desk. Please note that this help desk is different than the general TPEM Help Desk.
  • Email: TPEMHardshipRelief@epa.gov
  • Phone: 1-888-697-2367

Vehicle and Engine Certification

  • Onroad
  • Nonroad
  • EV-CIS
Contact Us about Vehicle and Engine Certification
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 28, 2025
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