Efforts to reduce the indirect land use change (ILUC) -related carbon emissions caused by biofuels has led to inclusion of an ILUC factor as a part of the carbon intensity of biofuels in a Low Carbon Fuel Standard. While previous research has provided varying estimates of this ILUC factor, there has been no research examining the economic effects and additional carbon savings from including this factor in implementing a Low Carbon Fuel Standard. Here we show that inclusion of an ILUC factor in a national Low Carbon Fuel Standard led to additional abatement of cumulative emissions over 2007-2027 by 1.3 to 2.6% (0.6-1.1 billion mega-grams carbon-dioxide-equivalent (Mg CO2e-1) compared to those without an ILUC factor, depending on the ILUC factors utilized. The welfare cost to the US of this additional abatement ranged from $61 to $187 Mg CO2e-1 and was substantially greater than the social cost of carbon of $50 Mg CO2e-1.

译文

:为减少与生物燃料引起的间接土地利用变化(ILUC)相关的碳排放而进行的努力已导致将ILUC因子作为低碳燃料标准中生物燃料碳强度的一部分。尽管先前的研究提供了有关该ILUC因子的各种估计,但是还没有研究检查将这种因子包括在实施低碳燃料标准中会带来的经济影响和额外的碳节省。在这里,我们表明,将ILUC因子纳入国家低碳燃料标准可导致2007-2027年累积排放量进一步减少1.3%至2.6%(0.6-11亿毫克二氧化碳当量(Mg CO2e-1 )与没有ILUC因子的人相比,具体取决于所使用的ILUC因子。美国这一额外减排的福利成本从61美元至187美元Mg CO2e-1不等,大大高于50美元Mg CO2e-的碳社会成本。 1。

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