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Unrefined liquid dextrose ultrafiltration retentate (ULDUR): double reward classification
- From:
- Department for Transport
- Published
- 13 March 2025
- Last updated
-
1715MarchAugust 2025 — See all updates
This call for evidence has closed
Detail of outcome
Responses to the call for evidence on unrefined liquid dextrose ultrafiltration retentate (ULDUR) were mixed as to whether to change the classification.
Several responses were not supported by clear evidence. Where the evidence received was inconclusive, we will write to respondents to seek further evidence.
Original call for evidence
Summary
Reviewing whether ULDUR should continue to be a double counted waste under the Renewable Transport Fuel Obligation (RTFO).
This call for evidence closesran atfrom
to
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
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Updates to this page
Published 13 March 2025
Last updated
-
Call for evidence closure date corrected to 11:59pm 8 May 2025.
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Update history
2025-08-15 13:46
Outcome added.
2025-03-17 09:16
Call for evidence closure date corrected to 11:59pm 8 May 2025.
2025-03-13 16:00
First published.