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World bioenergy technical potential in 2050
Studies indicate that global bioenergy use is approximately 10 percent of the global energy mix, with a growth rate of 1.3 percent per year.…
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Indirect land-use change induced by increased biofuels production
This figure indicates land requirements for biofuels production in response to current biofuels mandates. Depending on projected biofuels demand and available arable land, additional…
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Agriculture in the Mississippi River Basin
Fertilizer and pesticides used to cultivate feedstocks, as well as contaminated effluents discharged from conversion plants, can cause increasing levels of pollution to waterways.…
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Agrochemical use in US agriculture
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Energy potential from one tonne input: organic matter and landfill material
Different biofuels pathways have different eciencies in the growth of feedstocks, conversion processes and end-uses. This chain of eciency pertaining to input and output…
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Global biodiesel production, 2009
Global biodiesel production in 2009.
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Potential risks of energy crop expansion on land access
Poor land tenure security due to lack of appropriate rules and processes, and biofuels production encroaching on land used by pastoralists or for cultural…
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The enlarged biofuels family
Figure illustrates the various feedstocks, which can be converted to biofuels for transport. However, this represents only part of the larger bioenergy family, which…
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Bioenergy from agriculture: factors related to biodiversity
The use of Genetically Engineered Crops (GECs) carries both potential benefits and risks. While it is recognized that they can help to introduce useful…
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Land required for biofuels by feedstock
When assessing the sustainability of biofuels within the context of conservation, comparison questions are important. What else can the land be used for? One…
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Forest carbon sequestration
Converting land for biofuel production can cause biodiversity impacts in the short-term, but such conversion also aspects the future resilience of natural ecosystems. In…
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Differentiation between crops, land-use and end-use efficiency
The energy gain from biofuels is often expressed as a ratio of biofuel energy output to fossil energy input. However, when considering which biofuels…