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The role of bio-renewables in national energy and transportation systems portfolio planning for low carbon economy

机译:生物可再生能源在低碳经济国家能源和运输系统投资组合规划中的作用

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Bio-power and biofuels are promising alternative energy resources. This paper investigates their role in the long-term U.S. national energy and transportation portfolio planning, while considering the competition among other energy options. The paper presents a systematic modeling framework for integrating biomass pathways to the energy and transportation systems, and also captures the geographical variation in the feedstock availability and cost across the U.S. The paper then presents two different case studies-energy sector planning and integrated energy & transportation sectors planning. The studies reveal long-term cost and emission savings from bio-renewables, where the bulk of benefits are observed due to biofuels (with bio-power production limited by feedstock prices). Under a 40% CO2 emissions reduction scenario over the next 40 years, penetration of bio-renewables promise up to 10-Trillion USD (2010$) savings in system costs (investments and operational). Simulations also show that the impediment with bio-renewable penetration is mostly influenced by the availability of low-cost feedstock, specifically for bio-power production. According to current estimation of long-term feedstock availability, U.S will be able to power upto 150 Billion Gallons Year (BGY) (or approx. 560*10(9) L per year) bio-refinery capacity around 2020s, and about 200 BGY (or approx. 750*10(9) L per year) by 2050. (C) 2016 Elsevier Ltd. All rights reserved.
机译:生物能源和生物燃料是有前途的替代能源。本文研究了它们在长期的美国国家能源和交通运输投资组合计划中的作用,同时考虑了其他能源选择之间的竞争。本文提出了一个系统的建模框架,用于将生物质途径整合到能源和运输系统中,并且还捕获了整个美国原料的可获得性和成本的地域差异。然后,本文提出了两个不同的案例研究:能源部门规划和能源与运输综合部门规划。研究表明,生物可再生能源可带来长期成本和排放节省,而生物可再生能源可带来大量收益(生物能源生产受原料价格限制)。在未来40年内将二氧化碳排放量减少40%的情况下,生物可再生能源的普及有望使系统成本(投资和运营)节省高达10万亿美元(2010美元)。模拟还表明,生物可再生渗透的障碍主要受低成本原料(特别是用于生物发电)的可获得性的影响。根据目前对长期原料供应的估计,美国将能够在2020年代左右提供高达1500亿加仑年(BGY)(或每年约560 * 10(9)L)的生物精炼能力,约200 BGY (或每年约750 * 10(9)L)(到2050年)。(C)2016 Elsevier Ltd.保留所有权利。

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