Preface List of Participants in International Clean Energy Network Table of Contents Summary Objective of R&D Items and Targets of R&D Summary of FY 1997 results Future development 1997 Annual Summary of Results under Each Individual Subtask Subtask 1: Investigation and study for evaluating and reviewing R&D Subtask 2: Review and investigation for promoting international cooperation Subtask 3: Conceptual design of total system 3.1 Conceptual design of the total system 3.3 National-level energy estimation and assessment 3.4 City-level estimation and Assessment 3.5 Safety measures and assessment Subtask 4: Development of hydrogen production technology Subtask 5: Development of hydrogen transportation and storage technologies 5.1 Development of large-capacity hydrogen liquefaction facility 5.2 Development of the liquid hydrogen transportation tanker 5.3 Development of the liquid hydrogen storage facility 5.4 Development of devices for common use 5.5 Development of hydrogen absorbing alloys for small scale transportation and storage system Subtask 6: Development of cryogenic materials technology Subtask 7: Feasibility study on utilization of hydrogen energy Subtask 8: Development of a hydrogen-combustion turbine 8.2 Development of the combustion control technology 8.3 Development of turbine-blades, rotors and other major components 8.4 Development of major auxiliary equipment 8.5 Development of super-pyrogenic materials Subtask 9: Study of innovative and leading technology