By Nicholas Earl Over 10m people in fuel poverty could be excluded from support packages for their energy bills, if they are restricted to just people in the benefits and pension systems, according to new research from a cross-party think tank. The Social Market Foundation calculated 4.5m households spending more than 10 per cent on their income on energy bills will miss out on help if Government support is limited to those two groups from April. With an average of 2.4 people per household, that equates to 10.8 million people, which the SMF has described as the potential “missing middle” of an…