The limited available of fossil energy carriers and the environmental impacts of energy consumtion demand mid-and long-term strategies both for the rational use of energy and for increased renewable energy utilization. Concepts of renewable energy conversion have been proposed and implemented during recent decades allover the world and their remarkable potential has been demonstrated. However, large scale implementation in the context of the requirements above has not yet taken place. The EUREC (European Renewable Energy Centres) Agency - an association of 25 European research centres from 11...