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Additional people at risk of hunger in 2020
Biofuels have been criticized for causing food insecurity, but many other factors often play a far more significant role than biofuels. But rapid, largescale…
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Estimated feedstock efficiency and environmental impacts
The negative consequences of iLUC have been hotly debated. Recent debate has focused increasingly on a pragmatic approach to reducing the need for land,…
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Land required to drive 100 kilometres
The graphic compares different liquid biofuels and alternative drive systems such as an electric vehicle running on electricity produced from wind power.
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CO2 emissions from land conversion for energy crops
The conversion of high carbon-storage ecosystems, such as tropical forest, savanna and peatland into biofuel plants, can neutralise any GHG emission reductions achieved by…
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Wealth of nations and energy consumption
To date, energy use and economic growth have been closely linked. As figure shows, there is a linear relationship between energy consumption and wealth…
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Technical and sustainable biomass supply potentials and expected demand for biomass in 2050 (primary energy)
Technical and sustainable biomass supply potentials and expected demand for biomass in 2050 (primary energy).
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Impacts of first-generation biofuels on agricultural prices
This figure outlines possible scenarios for the impact of biofuels on agricultural prices and food security. Although there are several factors that affect agricultural…
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Biofuels crops and biodiversity
Biofuels pose several environmental and social risks. Therefore, to be truly a part of the green economy, biofuels need to comply with a set…
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Savings in greenhouse gas emissions by fuel type
Biofuels, in the use phase, emit the carbon that has been previously absorbed during plant growth. Inputs during cultivation and conversion need to be…
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Global ethanol production, 2009
The snapshot of biofuel production in this figure shows global ethanol production currently concentrated in two countries.
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Pressures on Ugandan forests
Recently Uganda has outlined its national strategy for bioenergy to contribute to increasing the renewable energy mix from 4 to 16% by 2017. Alongside…
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From seed and soil to end use
As with every other energy source, biofuels entail some risks and should be assessed over their entire lifecycle. This graphic, From seed and soil…