Helen Hayes MP: written questions
4 Jul 2025–3 Jul 2026
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Our reporting years run from 4 July to 3 July, starting with the 2024 general election. They are not official parliamentary sessions. Office costs keep IPSA’s April–March financial years. Records may cover only part of a year; a missing record does not mean no work was done.
Read what this MP said, asked and contributed in Parliament.
7 published records · newest first.
Written questions
Motor Vehicles: Exhaust EmissionsDepartment for TransportTabled 1 Dec 2025AnsweredUIN 95696More
Question: To ask the Secretary of State for Transport, whether her Department is taking steps with the Department for Transport to improve emissions monitoring and enforcement mechanisms to prevent future breaches of vehicle emissions law.
Answer: Since 2016, the Department has greatly increased oversight of emissions tests and established the Driver and Vehicle Standards Agency’s (DVSA’s) Market Surveillance Unit (MSU) to test vehicle emissions and investigate suspicious practice in the real world...
Answered 9 Dec 2025
Original Parliament recordMotor Vehicles: Exhaust EmissionsDepartment for TransportTabled 1 Dec 2025AnsweredUIN 95693More
Question: To ask the Secretary of State for Transport, what assessment her Department has made of the potential health and social impacts of illegal vehicle emissions on communities living in areas that already breach air-quality standards; and how those findings i
Answer: 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 potential health and social impacts of illegal vehicle emissions on communit...
Answered 9 Dec 2025
Original Parliament recordDiesel Vehicles: Exhaust EmissionsDepartment for TransportTabled 1 Dec 2025AnsweredUIN 95691More
Question: To ask the Secretary of State for Transport, what steps her Department is taking to ensure that emissions from non-compliant diesel vehicles are fully accounted for in the modelling and monitoring underpinning the UK’s Net Zero Strategy.
Answer: Emissions projections for diesel vehicles used in the recently published Carbon Budget and Growth Delivery Plan account for the difference between reported vehicle CO2 emissions, tested using the World Light Duty Test Procedure, and emissions from vehicle...
Answered 9 Dec 2025
Original Parliament recordDiesel Vehicles: Exhaust EmissionsDepartment for TransportTabled 1 Dec 2025AnsweredUIN 95690More
Question: To ask the Secretary of State for Transport, what estimate her Department has made of the potential impact of non-compliant diesel vehicles on the UK’s ability to meet its legally binding carbon budgets and net-zero targets.
Answer: Emissions projections for diesel vehicles used in carbon budgets modelling account for the difference between reported vehicle CO2 emissions, tested currently using the World Light Duty Test Procedure, and emissions from vehicles operating in ‘real-world’...
Answered 9 Dec 2025
Original Parliament recordMotor Vehicles: Exhaust EmissionsDepartment for TransportTabled 1 Dec 2025AnsweredUIN 95689More
Question: 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.
Answer: 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...
Answered 9 Dec 2025
Original Parliament recordDiesel Vehicles: Exhaust EmissionsDepartment for TransportTabled 25 Nov 2025AnsweredUIN 94224More
Question: To ask the Secretary of State for Transport, if she will take steps to ensure the recall of diesel vehicles found to use defeat devices.
Answer: The Driver and Vehicle Standards Agency’s Market Surveillance Unit (MSU) is investigating cases of possible non-compliant diesel emissions in cars and vans. The investigations aim to ensure any non-compliance found is fixed as soon as reasonably possible,...
Answered 1 Dec 2025
Original Parliament recordDiesel Vehicles: Exhaust EmissionsDepartment for TransportTabled 25 Nov 2025AnsweredUIN 94223More
Question: To ask the Secretary of State for Transport, what steps she is taking to investigate the use of defeat devices in diesel vehicles.
Answer: The Driver and Vehicle Standards Agency’s Market Surveillance Unit (MSU) is investigating cases of possible non-compliant diesel emissions in cars and vans. The investigations aim to ensure any non-compliance found is fixed as soon as reasonably possible,...
Answered 1 Dec 2025
Original Parliament record
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Written questions by answering department
4 Jul 2025–3 Jul 2026. One record per UIN and tabled date; the named department is not a measure of answer quality.
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