Business Green: A UK start up that promises to significantly reduce the cost of fuel cell technologies by replacing expensive platinum components with a liquid developed from detergents is set to deliver a commercial roll out of its technology by 2012, after securing £3.5m of new funding. ACAL Energy has developed a novel FlowCath technology, which replaces the platinum cathode typically used in many fuel cell designs with a liquid regenerating catalyst system. The firm was co-founded in 2004 by …