Reuters: Scotland could meet its target of getting 50 percent of its power from renewable sources by 2020 if it invested 10 billion pounds ($14.80 billion) in new electricity generation, according to an independent study. The study, published by the Scottish Council for Development and Industry (SCDI) on Tuesday, said it required a fivefold rise in the number of wind farms — mostly onshore — while the rest should come from marine, biomass and hydro. It said this will cut by a third …