Diesel Vehicles: Exhaust Emissions
The question
To ask the Secretary of State for Transport, what estimate her Department has made of the potential public health impact of excess nitrogen oxide emissions from diesel vehicles fitted with defeat devices since 2015.
Answered by Simon Lightwood
The Government is committed to reducing air pollution from all forms of transport.
The department recognises that elevated NOx emissions from diesel vehicles contribute to poor air quality. The Department has not produced a specific UK-only assessment of the potential health impact.
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, working together with manufacturers to achieve real-world impacts on air quality.
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