Key issues in estimating energy and greenhouse gas savings of biofuels: challenges and perspectives
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چکیده
منابع مشابه
The greenhouse gas emissions performance of cellulosic ethanol supply chains in Europe
BACKGROUND Calculating the greenhouse gas savings that may be attributed to biofuels is problematic because production systems are inherently complex and methods used to quantify savings are subjective. Differing approaches and interpretations have fuelled a debate about the environmental merit of biofuels, and consequently about the level of policy support that can be justified. This paper est...
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Since the 1990s the European Union’s biofuels policy has espoused several aims: energy security, greenhouse gas (GHG) savings, technology export and rural development. On these various grounds, by 2007 the EU was moving towards statutory targets, i.e. to mandate larger markets for ‘renewable energy’ including biofuels. However, controversy erupted over harmful environmental and social effects, ...
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In the last few decades, finding alternatives to fossil fuels has become a hot issue across all international frontiers. The Intergovernmental Panel on Climate Change (IPCC) has shed light on the feasibility of using biofuels to meet the growing energy demand as well as to reduce CO2 emissions which are a major cause of global warming, especially in the transportation sector. The...
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This paper describes a framework that can be used to evaluate the environmental risks and benefits associated with biofuel production. It uses the example of biodiesel produced from Argentinean soy to show how such a framework can be used to conceptualize trade-offs between different environmental, social and economic impacts of biofuel production. Results showing the greenhouse-gas savings and...
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تاریخ انتشار 2016