Britain’s move to a Net Zero economy will cost taxpayers more than £800 billion over the next two decades, the OBR – the UK’s fiscal watchdog – has said. But even this is based on implausibly generous assumptions, say critics. ... The Office for Budget Responsibility (OBR) said Government plans to limit climate change will cost the public purse £30 billion every year until at least 2051, as tax revenue from the sale of petrol and diesel fuel dries up. This includes nearly £9.9 billion of spending every year on tech investments – for example updating the electricity grid –...