Please use this identifier to cite or link to this item: http://dx.doi.org/10.14279/depositonce-9973
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Main Title: Consequences of long-term infrastructure decisions—the case of self-healing roads and their CO2 emissions
Author(s): Rodríguez-Alloza, Ana María
Heihsel, Michael
Fry, Jacob
Gallego, Juan
Geschke, Arne
Wood, Richard
Lenzen, Manfred
Type: Article
Language Code: en
Abstract: What could be the reduction in greenhouse gas emissions if the conventional way of maintaining roads is changed? Emissions of greenhouse gases must be reduced if global warming is to be avoided, and urgent political and technological decisions should be taken. However, there is a lock-in in built infrastructures that is limiting the rate at which emissions can be reduced. Self-healing asphalt is a new type of technology that will reduce the need for fossil fuels over the lifetime of a road pavement, at the same time as prolonging the road lifespan. In this study we have assessed the benefits of using self-healing asphalt as an alternative material for road pavements employing a hybrid input–output-assisted Life-Cycle Assessment, as only by determining the plausible scenarios of future emissions will policy makers identify pathways that might achieve climate change mitigation goals. We have concluded that self-healing roads could prevent a considerable amount of emissions and costs over the global road network: 16% lower emissions and 32% lower costs compared to a conventional road over the lifecycle.
URI: https://depositonce.tu-berlin.de/handle/11303/11085
http://dx.doi.org/10.14279/depositonce-9973
Issue Date: 14-Nov-2019
Date Available: 5-May-2020
DDC Class: 338 Produktion
Subject(s): life cycle assessment
hybrid LCA
input–output analysis
self-healing asphalt
road
climate change
License: https://creativecommons.org/licenses/by/3.0/
Journal Title: Environmental Research Letters
Publisher: Institute of Physics Publishing (IOP)
Publisher Place: Bristol
Volume: 14
Article Number: 114040
Publisher DOI: 10.1088/1748-9326/ab424a
EISSN: 1748-9326
ISSN: 1748-9318
Appears in Collections:FG Energieverfahrenstechnik und Umwandlungstechniken regenerativer Energien » Publications

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