The Oscillating Water
Column, the Sea Clam. the Bristol Cylinder and the Salter Duck Four of the devices proposed by British engineering research teams as a means of extracting energy from the waves that pound our shores. So far. Britain has a world lead, but now the Government has to decide which of seven proposals it will continue to support. Michael Scott examines the options facing the Department of Energy, whose chief scientist,
Dr Anthony Challis , has to take account of other developments in ' renewable energy
Producer mike stanger BBC Scotland