Independent (UK): Smart meters, which show electricity and gas consumption at a glance, are to be installed in every home in Britain by 2020 in an attempt by the Government to cut energy use. A massive rollout programme, beginning in 2012, will see all the country’s 26 million households fitted with 48 million new meters — 26 million for electricity and 22 million for gas — at a total cost of between £7bn and £9bn. Several million businesses will also receive the new devices. The move, which …