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Guidebook for Developing a Zero- or Low-Emissions Roadmap at Airports (2020)

Chapter: Appendix C: Recommended Additional Research

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Page 103
Suggested Citation:"Appendix C: Recommended Additional Research." National Academies of Sciences, Engineering, and Medicine. 2020. Guidebook for Developing a Zero- or Low-Emissions Roadmap at Airports. Washington, DC: The National Academies Press. doi: 10.17226/25677.
Page 103

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  D‐1    Appendix C: Recommended Additional Research   Through the 18 months of the development of this Guidebook, the research team identified a number of  topics and concepts that would benefits from further research. Each of these topics is listed below:    Update ACRP Report 11. U.S.‐based airports continue to use ACRP Report 11 for GHG inventory  work. However, the report is now over 10 years old and several important guidance documents  have been released from the GHG Protocol and other standards programs.    Market assessment of zero or low carbon vehicles. As highlighted through airport interviews,  many of the airport‐owned vehicle types do not have a suitable electrification option today. The  primary electric vehicle type on the market is 4‐seat passenger vehicles. To plan for zero or low  emission targets, airports need better information on the expected timing of medium and  heavy‐duty electric options.    Electric vehicle infrastructure planning. Very little guidance on electric vehicle infrastructure  costs and feasibility is available for airports interested in fleet electrification. A guidebook or  tool could be created that assists airport decision‐maker in navigating how to site, size, use,  maintain, and power electric vehicle charging.    Credit rating benefits from emissions mitigation. The authors recommend industry‐wide  research on the current and future impact of reduced borrowing costs for capital projects at  airports that demonstrate commitment to carbon emissions reduction, as underwriting agencies  increasingly internalize climate change risk and effectively put a price on carbon. This may  include: improving airport understanding of how bond underwriting agencies assess climate risk;  how to engage bond agencies in a transparent and collaborative dialogue; and how an airport  can undertake its own climate risk assessment to identify the most impactful ways to reduce  these risks so as to improve its bond rating.   Employee attitudes towards climate change. Recommend research on the business case of  improved labor recruitment, retention, and wages, as well as more positive customer attitudes  stemming from an airport’s greenhouse gas reduction program. In other words, research is  needed to quantify the benefits of both employee and public satisfaction when an airport  undertakes carbon emissions reduction or seeks to be become a zero‐emission airport.   Update to ACRP Report 56. The research summarized herein demonstrates the value of Report  56 as a resource, including the organization and presentation of GHG reduction strategies and  process for their evaluation. However, it also shows that due to advances in technology and  changes in markets, the technical and financial information needs to be refreshed. ACRP  Synthesis 100 is a step towards this need, yet more is needed give the complexity of  technological issues.      

Next: Appendix D: Examples of Emissions and Technology Roadmaps »
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Airports worldwide are setting aggressive zero- or low-emissions targets. To meet these targets, airports are deploying new strategies, adopting innovative financing mechanisms, and harnessing the collective influence of voluntary emissions and reporting programs. In tandem, new and affordable zero- or low-emissions technologies are rapidly becoming available at airports.

The TRB Airport Cooperative Research Program's pre-publicaton draft of ACRP Research Report 220: Guidebook for Developing a Zero- or Low-Emissions Roadmap at Airports covers all steps of roadmap development, from start to finish, using conceptual diagrams, examples, best practices, and links to external tools and resources. While the main focus of this Guidebook is airport‐controlled greenhouse gas (GHG) emissions, it provides discussion about airport‐influenced emissions from airlines, concessionaires, and passengers.

Whereas other guidebooks and reference material provide airports with information on emissions mitigation and management (for example, the Federal Aviation Administration’s Airport Carbon Emissions Reduction, ACRP Report 11: Guidebook on Preparing Airport Greenhouse Gas Emissions Inventories, and the Airport Council International’s Guidance Manual: Airport Greenhouse Gas Emissions Management), this Guidebook articulates steps for creating an airport‐specific emissions roadmap.

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