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http://hdl.handle.net/1942/25646
Title: | Aviation CO2 emissions reductions from the use of alternative jet fuels | Authors: | Staples, Mark D. MALINA, Robert Suresh, Pooja Hileman, James I. Barret, Steven R.H. |
Issue Date: | 2018 | Source: | Energy policy, 114, p. 342-354 | Abstract: | Although a relatively small contributor to annual anthropogenic CO2 emissions (~2.6%), commercial aviation activity is growing at ~5% per annum. As a result, alternative jet fuel (AJF) technologies have garnered interest as a means to achieve large, near-term emissions reductions for the industry. This analysis quantifies the potential for AJF to reduce aviation's CO2 emissions by assessing: the availability of AJF feedstock; AJF volumes that could be produced from that feedstock; the lifecycle emissions of AJF compared to petroleum-derived jet fuel; and the number of bio-refineries and capital investment required to achieve the calculated emission reductions. We find that, if the use of AJF is to reduce aviation's lifecycle GHG emissions by 50% or more by 2050, prices or policies will have to significantly incentivize the production of bioenergy and waste feedstocks, and AJF production will need to be prioritized over other potential uses of these resources. Reductions of 15% by 2050 would require construction of ~60 new bio-refineries annually (similar to growth in global biofuel production capacity in the early 2000s), and capital investment of ~12 billion USD2015 per year (~1/5 of annual capital investment in petroleum refining). | Notes: | Staples, MD (reprint author), MIT, Dept Aeronaut & Astronaut, Lab Aviat & Environm, 77 Massachusetts Ave, Cambridge, MA 02139 USA. mstaples@mit.edu | Keywords: | aviation; climate change; alternative jet fuel; LCA; ICAO; CORSIA | Document URI: | http://hdl.handle.net/1942/25646 | ISSN: | 0301-4215 | e-ISSN: | 1873-6777 | DOI: | 10.1016/j.enpol.2017.12.007 | ISI #: | 000424962800032 | Rights: | © 2017 Elsevier Ltd. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2019 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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Energy Policy Staples Malina et al.pdf | Peer-reviewed author version | 1.02 MB | Adobe PDF | View/Open |
Staples.pdf Restricted Access | Published version | 858.87 kB | Adobe PDF | View/Open Request a copy |
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