By Millie Turner A string of large electric vehicle (EV) players are lobbying the government to ink a mandate which would ensure a certain proportion of cars on the road in the UK are electric by 2024. A dozen businesses, including Ford, Britishvolt and Pod Point, have written to transport secretary Mark Harper and business minister Grant Shapps urging action just days after COP27, the UN’s flagship climate conference, kicked off in Egypt. “An ambitious Zero Emission Vehicle (ZEV) mandate would guarantee a minimum proportion of electric vehicles on the road from 2024 and provide a clear signal…