Guardian: British businesses could save themselves £2.5bn over the next 12 months if they implemented energy efficiency schemes that would also cut 22m tonnes of carbon from the atmosphere, according to new analysis out today amid soaring oil and gas bills plus fears of recession. The £7m a day of savings – the equivalent of 100,000 staff salaries – have been calculated by researchers working for the government-sponsored Carbon Trust which says companies are finally waking up to energy …