Exclusive: Louise Haigh likely to weaken mandate for sales that forms key part of emission reduction plan

Ministers are expected to make steep cuts to the government’s electric vehicle (EV) targets this week, in a move that will relieve carmakers but alarm many Labour MPs who are worried about the government’s commitment to the green agenda.

Louise Haigh, the de facto deputy prime minister, will finalise the plan after a crunch meeting in Downing Street on Wednesday to settle a long-running dispute between the transport, energy and business departments.