Biofuels
- Created by: hannah kingham
- Created on: 08-12-15 09:58
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- Biofuels
- waste sources that can be used as sources of energy
- crops like straw
- forestry wastes
- industrials waste
- domestic waste
- anaerobic bacterial digestsion
- energy crops deliberately grown for energy value
- wood
- sugar cane
- vegetable oils
- elephant grass
- advantages of biofuel
- supply rate of energy crops can be controlled
- stored until needed
- replace fuels e.g. petrol
- carbon neutral
- high energy denisty
- disadvantages of biofuel
- supply of waste is limited by amount produced by source activity
- large areas required
- has a high energy density but is still lower than fossil fuels
- waste sources that can be used as sources of energy
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