The International Conference on New and Renewable Energy Technologies for Sustainable Development held in Ponta Delgada, Azores (2002), Portugal, has provided technology specialists and hardware developers with the opportunity to discuss, review and demonstrate the research directions, the design methodologies, and the production techniques leading to cost-effective energy technologies for sustainable development. The papers included in this volume are selected from those presented at the conference reflecting to present the state-of-the-art developments in the field. They should merge...