Observer: Fresh doubts have been raised over plans for new coal-fired power plants after the environment regulator said it expects that those not fitted with expensive carbon capture and storage (CCS) equipment in future will have to close. The government’s leading environment adviser, Jonathon Porritt, has also attacked the plan to build up to eight new coal plants, warning they could ‘destroy the overall credibility of the government’s Climate Change Programme’. In a statement to The …