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.

This grant is currently closed to applications

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.


Need help?

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

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Market information 

Australian consumption

DEF weekly consumption is estimated at 4 million litres / 1,500 tonnes TGU under normal conditions. 

Volume of TGU imports by country of origin by month

The average monthly imports of DEF and TGU between April to October 2022 was equivalent to 21 million litres of DEF.

The major countries supplying DEF were China and Indonesia, representing almost 80% of imports. 

The following table provides details on imports per month by country of DEF equivalent in kilolitres, where one kilogram of TGU is equivalent to 2.8 litres of DEF. 

TGU imports by country of origin by month in detail (DOCX 0.022 MB)

Key documents

Grant application guidance factsheet

pdf · 0.56 MB docx · 0.04 MB

Grant opportunity guidelines

pdf · 0.89 MB docx · 0.51 MB

Sample application form

pdf · 0.76 MB docx · 0.10 MB

Sample grant agreement

pdf · 1.06 MB docx · 0.14 MB

Accountant declaration template

PDF · 0.19 MB DOCX · 0.04 MB

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