 a GROUNDBREaKING project to store emissions from Scotland's largest coal-burning power station under the sea could be close to floundering.  ScottishPower, which runs the Longannet plant in Fife, was reported to be on the verge of pulling out of the scheme following lengthy negotiations with the UK government.  It is understand the Department of Energy and Climate Change (Decc) is unwilling to increase funding of the GBP1 billion carbon capture and storage (CCS) experiment to make it commercially viable for ScottishPower.  CCS involves forcing liquefied carbon dioxide i 