Written Question·Department for Transport·UIN 83389

Transport: Exhaust Emissions

Tabled: 20 October 2025

Answered: 28 October 2025

Question

Mr Richard Holden

To ask the Secretary of State for Transport, what recent estimate she has made of total transport-sector emissions since July 2024; and if she will make an assessment of how that figures compares with projections made when the Zero Emission Vehicle Mandat

Answer

Keir Mather

Transport was estimated to emit 111.8MtCO2e (megatonnes carbon dioxide equivalent) in 2023, with 78.1MtCO2e from cars and vans. The ZEV Mandate came into force in 2024; it requires that, by 2030, 80% of new cars and 70% of new vans should be fully zero em...

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