[en] This CD-ROM contains lectures, power points slides and posters presented on the 18th World Hydrogen Energy Conference. The topics of the conference are: (A). Fuel Cell Basics: 1. Electrochemistry of PEM Fuell Cells; 2. PEM/HT-PEM Fuel Cells: Electrolytes, Stack Components; 3. Direct Fuel Cells; 4. High-Temperature Fuel Cells; 5. Advanced Modelling (B). Existing and Emerging Markets: 1. Off-Grid Power Supply and Premium Power Generation; 2. Space and Aeronautic Applications; 3. APUs for LDV, Trucks, Ships and Airplanes; 4. Portable Applications and Light Traction. (C). Stationary Applications: 1. High-Temperature Fuel Cells; 2. Fuell Cells for Buildings. (D). Transportation Applications: 1. Fuel-Cell Power Trains; 3. Hydrogen Internal Combustion Engines; 4. Systems Analysis and Well-to-Wheel Studies; 5. Demonstration Projects, Costs and Market Introduction; 6 Electrification in Transportation Systems. (E). Fuel Infrastructures: 1. Hydrogen Distribution Technologies; 2. Hydrogen Deployment; 3. Fuel Provision for Early Market Applications. (G). Hydrogen Production Technologies: 1a. Photobiological Hydrogen Production; 1b. Fermentative Hydrogen Production; 1c. The HYVOLUTION Project. (H). Thermochemical Cycles: 3a. Hydrogen from Renewable Electricity; 3b. High-Temperature Electrolysis; 3c Alcaline Electrolysis; 3d PEM Electrolysis; 4a Reforming and Gasification-Fossil Energy Carriers; 4b Reforming and Gasification-Biomass; 5. Hydrogen-Separation Membranes; 6. Hydrogen Systems Assessment;.7. Photocatalysis (I). Storages: 1. Physical Hydrogen Storage; 2a. Metal Hydrides; 2b. Complex Hydrides; 3. Adsorption Technologies; (J). Strategic Analyses: 1. Research + Development Target and Priorities; 2. Life-Cycle Assessment and Economic Impact; 3. Socio-Economic Studies; 4. Education and Public Awareness; 5. Market Introduction; 7. Regional Activities; 8. The Zero Regio Project. (K). Safety Issues: 1. Vehicle and Infrastructural Safety; 2. Regulations, Codes, Standards and Test Methods. (L). Policy Perspectives, Initiatives and Cooperations: 1a National Strategies and Programmes; 1b IEA Hydrogen Implementing Agreement; 2. Renewable Primary Energy Potential for Hydrogen Production; 3. Environmental Impact of Hydrogen Technologies. 124 papers are separately analyzed for the ENERGY database.