Maintaining Our Supply of Diesel Exhaust Fluid Program

Maintaining Our Supply of Diesel Exhaust Fluid Program provides businesses with up to $16.15 million in funding to manufacture and supply Technical Grade Urea (TGU), TGU-equivalent product or DEF for the domestic market.


Closes in 24 days

Closing date: Tuesday 28 February 2023 5:00pm AEDT Tue 28 Feb 2023 5:00pm AEDT

What do you get?

Up to $16.15 million over 4 years.

Who is this for?

Businesses starting a new project for the domestic manufacture and supply to the Australian market of TGU, TGU-equivalent product of DEF from domestic feedstocks.


The Maintaining Our Supply of Diesel Exhaust Fluid Program is part of a comprehensive investment to enhance resilience of the domestic Diesel Exhaust Fluid (DEF) market.

The objectives of the competitive grants program are:

  • to support sovereign capability in manufacturing to produce TGU for the domestic DEF market in the period 2023 to mid-2026 
  • produce TGU that is compliant with the ISO 22241 specification for the production of DEF, or as certified by Original Equipment Manufacturers (OEMs) for use as a DEF.

Learn more about the policy that supports this program.

Check if you can apply

You can apply if you meet the eligibility criteria. The eligibility criteria are a set of rules that describe who we can consider for this grant. You can apply if you:

  • are an eligible entity
  • have an eligible project
  • have eligible expenditure.

The rules are in the grant opportunity guidelines.

How to apply

Check if you’re ready to apply for a grant

Finding a suitable grant opportunity is just the start of the process to get funding. The application process can take time and effort. Understanding the entire process will help you be grant ready and may improve your chances of getting funding.

Use our checklist to find out what it takes to apply for a grant.

When you're ready to apply

Apply using our online portal:

  1. Create or log into your portal account.
  2. Follow the instructions to complete your application.
  3. Submit your application before the close date.

Make sure you include enough detail and supporting evidence in your application to help us decide whether to award you the grant.

Don’t submit the application until it’s complete. You can’t correct a mistake.

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Apply now

Apply for the Maintaining Our Supply of Diesel Exhaust Fluid Program now

Before you apply, make sure you:

  • read and understand the grant opportunity guidelines
  • read and understand the sample grant agreement.
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Need help?

  • Let us answer your question via phone, email or webchat. And if we can't help, we'll put you in touch with someone who can.

  • Monday – Friday, 8am – 8pm across Australia

Market information 

Key documents

Grant opportunity guidelines

Sample application form

Sample grant agreement

Accountant declaration template