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Keywords
- Renewable energy sources[remove]13
- Solar energy3
- Energy storage2
- Photovoltaic power generation2
- Airplanes -- Fuel1
- Biomass conversion1
- Biomass energy1
- Cellulose -- Biodegradation1
- Climatic changes1
- Electric power distribution1
- Electric power distribution -- Environmental aspects1
- Electric power production1
- Energy consumption -- Environmental aspects1
- Energy policy1
- Environmental management1
- Environmental protection1
- Greenhouse gases -- Prevention1
- Hydrogen -- Storage1
- Hydrogen as fuel1
- Microgrids (Smart power grids)1