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Climate Policy Decisions Require Policy-Based Lifecycle Analysis
DOI:10.1021/es405164g.png)
摘要
En 中文
Lifecycle analysis (LCA) metrics of greenhouse gas emissions are increasingly being used to select technologies supported by climate policy. However, LCAs typically evaluate the emissions associated with a technology or product, not the impacts of policies. Here, we show that policies supporting the same technology can 1 lead to dramatically different emissions impacts per unit of technology added, due to multimarket responses to the policy. Using a policy-based consequential LCA, we find that the lifecycle emissions impacts of four US biofuel policies range from a reduction of 16.1 gCO(2)e to an increase of 24.0 gCO(2)e per MJ corn ethanol added by the policy. The differences between these results and representative technology-based LCA measures, which do not account for the policy instrument driving the expansion in the technology, illustrate the need for policy-based LCA measures when informing policy decision making.
Keyword:
GREENHOUSE-GAS EMISSIONS
LAND-USE CHANGE
ENVIRONMENTAL-PROTECTION
UNINTENDED CONSEQUENCES
ENERGY EFFICIENCY
AIR EMISSIONS
BIOFUELS
ETHANOL
IMPACTS
LCA
AI总结
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期刊
E
IF:
11.3
论文数:
4.3W
被引数:
26.0W
机构
引用论文
Indirect fuel use change (IFUC) and the lifecycle environmental impact of biofuel policies
ENERGY POLICY
IF9.2

