Liz Truss’ new goal to secure the UK's energy independence by 2040 can only be achieved by pursuing radical decarbonisation policies that rely on testbed technologies, according to a senior figure at the Climate Change Committee (CCC). Dr David Joffe, head of carbon budgets at the CCC, told Utility Week the advisory body’s number crunching suggests that the prime minister’s target to make the UK a net exporter of energy is “probably just about achievable”.