Open call for evidence

Unrefined liquid dextrose ultrafiltration retentate (ULDUR): double reward classification

• From: Department for Transport
• Published: 13 March 2025

Summary

Reviewing whether ULDUR should continue to be a double counted waste under the Renewable Transport Fuel Obligation (RTFO).

This call for evidence closes at
11:59pm on 5 June 2025

Call for evidence description

Seeks views and evidence on whether unrefined liquid dextrose ultrafiltration retentate (ULDUR) remains collectively classified as meeting the criteria for double reward classification in the RTFO.

The outcome of this call for evidence will affect:

• obligated fossil fuel suppliers
• eligible low carbon fuel suppliers
• verification bodies acting on the behalf of suppliers
• trade associations and other interested parties

Documents

Reviewing double reward classification of unrefined liquid dextrose ultrafiltration retentate (ULDUR)

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Ways to respond

Respond online

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Complete a response form and either

Email to:

RTFO-compliance@dft.gov.uk

Write to:

LCF Delivery Unit
3rd Floor
One Priory Square
Hastings
TN34 1EA

Published 13 March 2025