Question follow-through · 95689
Motor Vehicles: Exhaust Emissions
To ask the Secretary of State for Transport, what assessment her Department has made of the contribution of illegally high vehicle emissions arising from the use of defeat devices to overall UK nitrogen oxide and greenhouse gas emissions levels.
About this written question
A written question asks a government minister for information in writing. Parliament publishes the question and any answer.
- Answering body
- Department for Transport
- Tabled
- 1 Dec 2025
- Target answer date
- 3 Dec 2025
- Answer
- 9 Dec 2025 · 8 calendar days after tabling
Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.
Votes on this topic
- Draft Climate Change Act 2008 (International Aviation and International Shipping) Regulations 2026 · 24 Jun 2026
These Commons divisions share a topic label. The question did not necessarily lead to a vote.
Recorded timeline
1 Dec 2025
Question tabled
To ask the Secretary of State for Transport, what assessment her Department has made of the contribution of illegally high vehicle emissions arising from the use of defeat devices to overall UK nitrogen oxide and greenhouse gas emissions levels.
3 Dec 2025
Target answer date
Date supplied by the official written-questions record.
9 Dec 2025
Answer published
Defeat devices are illegal, misleading for drivers and can have negative health impacts on the public. The Department for Transport has not conducted a specific assessment of the contribution of illegally high vehicle emissions arising from the use of def...
Official data retrieved 28 Sept 2026.
Later records
Possible follow-up questions
Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.
No later same-department questions indexed.
This is an absence in covered public data, not evidence that no follow-up occurred elsewhere.