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|Title:||Optimizing the Greenhouse-Gas Benefits of Bioenergy Systems|
|Authors:||EDWARDS ROBERT; SCHLAMADINGER Bernard; TASK 38 (OTHER 14 MEMBERS) Iea|
|Citation:||Procedings of 14th European Biomass conference vol. 1 p. 2029-2032|
|Publisher:||ETA-Florence and WIP-Munich|
|Type:||Contributions to Conferences|
|Abstract:||Energy decisions are optimization problems among multiple objectives such as job creation, energy security, environmental benefits, including enhancing energy efficiency and reducing GHG emissions. The approach often practiced in energy analysis is to use measures such as input-output ratios or emissions per unit of output when assessing the efficiency of energy systems or their GHG balance. This can be misleading. The system boundary needs to be set wide enough to include emission reductions from using the energy and non-energy products of the bioenergy system. Several different situations are conceivable in terms of the factors that limit the amount of GHG mitigation that can be achieved, each requiring a different arithmetic for evaluating GHG efficiency. Four different cases of limiting factors are presented: 1. available biomass, 2. bioenergy market share, 3. available land for biomass production, and 4. available funds for GHG mitigation. In all of these cases the GHG emission savings should be calculated by comparing to a reference energy system, which will in most cases be based on fossil fuels.|
|JRC Institute:||Institute for Environment and Sustainability|
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