Question follow-through · 125837

Aviation: Exhaust Emissions

To ask the Secretary of State for Transport, what assessment her Department has made of the potential merits of contrail-mitigation measures in reducing aviation's climate impact.

answeredDepartment for Transport

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
10 Apr 2026
Target answer date
14 Apr 2026
Answer
20 Apr 2026 · 10 calendar days after tabling

Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.

More questions by this MP on Transport

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Votes on this topic

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Recorded timeline

  1. 10 Apr 2026

    Question tabled

    To ask the Secretary of State for Transport, what assessment her Department has made of the potential merits of contrail-mitigation measures in reducing aviation's climate impact.

  2. 14 Apr 2026

    Target answer date

    Date supplied by the official written-questions record.

  3. 20 Apr 2026

    Answer published

    The Government recognises that aviation has non-CO2 impacts such as contrails which may have significant warming impacts on the climate, although significant scientific uncertainties remain. The Government has funded 14 projects as part of our Non-CO2 R&a...

Open official record

Official data retrieved 28 Sept 2026.

Later records

Possible follow-up questions

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Delivery Services: Robots

27 Apr 2026 · To ask the Secretary of State for Transport, what assessment she has made of the potential impact of delivery robots on wheelchair users and visually-impaired people.

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Dartford-Thurrock Crossing: Tolls

27 Apr 2026 · To ask the Secretary of State for Transport, whether loss of revenue from user charges at the Dartford Crossings is accounted for in the Department's finances.

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27 Apr 2026 · To ask the Secretary of State for Transport, whether a new Accounting Officer Assessment for the Lower Thames Crossing will be published.

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14 May 2026 · To ask the Secretary of State for Transport, whether loss of revenue from user charges at the Dartford Crossings is accounted for in the Department's finances.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Delivery Services: Robots

15 May 2026 · To ask the Secretary of State for Transport, what assessment they have made of the adequacy of the legal framework that pavement delivery robots operate within.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Delivery Services: Robots

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Unreviewed candidateSame MP and department; topic relationship is unreviewed

Delivery Services: Robots

15 May 2026 · To ask the Secretary of State for Transport, whether her Department has approved the use of pavement delivery robots to operate in urban areas.

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15 May 2026 · To ask the Secretary of State for Transport, how her department is contributing to assessments on local government reorganisation.

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15 May 2026 · To ask the Secretary of State for Transport, whether she has made an assessment of the adequacy of Network Rail's funding from 2024 to 2029 to prevent average asset deterioration of the railway network by maintaining the average asset (a) age and (b) perc

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Network Rail: Assets

15 May 2026 · To ask the Secretary of State for Transport, whether her Department has assessed changes in average asset age and percentage asset life used across major railway infrastructure asset categories since 2015.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Network Rail: Assets

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