Guardian: Britain could cut its domestic fuel bills by £4.6bn a year if it adopted a series of energy saving measures, according to a report out today. An energy saving trial involving 64 households across eight cities organised by British Gas and monitored by the thinktank, the Institute for Public Policy Research (IPPR), also found that families cut their carbon emissions by a fifth. British Gas managing director, Phil Bentley said: “Reducing energy consumption is the single most …