BIOFUELS
- Created by: wardk
- Created on: 13-10-17 12:39
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- BIOFUELS
- Availability, Intermittency & Reliabilty
- energy is stored so usually available whenever
- Energy crops can be dependent on seasons for proper growth
- Transport & Storage
- Chemical Energy in wood, biodiesel and alcohol can be stored easily for later use
- Energy Density
- High, can be used to replace liquid fossil fuels in vehicles
- Energy goes into irrigation, fertilizers, harvest machinery & crop processing
- Environmental Impacts
- habitat loss to grow crop
- Intense farming methods
- Technology
- Forestry, domestic or industrial waste can be incinerated to generate electricity
- Anaerobic bacteria can digest sewage to produce methane
- Landfill gases can be collected and used
- Energy crops can be grown and harvested into fuel
- Location
- require land suitable for crop growth or landfill
- Economics & Trade
- Reduces dependence on foreign suppliers
- Increased income of farmers
- waste is invaluble while crops become expensive with labour costs
- energy crops may require irrigation and fertilizers
- US Energy Policy Act 2005 promotes biofuels with grants/loans for research and development
- Availability, Intermittency & Reliabilty
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