Written Question·Department for Transport·UIN 90352

Diesel Vehicles: Exhaust Emissions

Tabled: 12 November 2025
Answered: 17 November 2025
Named Day

Question

Bell Ribeiro-Addy

LabourClapham and Brixton Hill

To ask the Secretary of State for Transport, what estimate his Department has made of the number of diesel vehicles in the UK that are fitted with illegal defeat devices.

Answer

Simon Lightwood
The Driver and Vehicle Standards Agency (DVSA) is investigating a range of Euro 5 and early Euro 6 diesel vehicles where potential non-compliance has been identified. There are currently 95 vehicle models from 28 brands under investigation. Manufacturers ...

This is an extract from the Parliament API. Search the full answer on Parliament.uk (UIN 90352) →