Vehicles on UK roads will emit an extra 17m tonnes of carbon dioxide by 2030, according to updated Department for Transport forecasts, driven chiefly by last year’s flexibilities in the zero-emission vehicle (ZEV) mandate that permit more plug-in hybrid sales. Plug-in hybrid registrations have surged 48% this year, and the DfT now assumes fewer drivers use hybrid battery mode than previously estimated. Campaigners and the charging industry are urging the government to resist further watering down ahead of a mandated review by early 2027, while a government spokesperson reaffirmed the 2035 phase-out target and cited a record-breaking month for EV registrations.