United States Department of Transportation
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From Trip Data to the Energy Requirements of Personal Vehicle Travel
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2018-08-01
[PDF-3.94 MB]
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TRIS Online Accession Number:01701688
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Edition:Year 25 Final Report
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Abstract:This research project is intended to compare the cost effectiveness and energy efficiency of different powertrain technologies given realistic travel behavior and technological performance. Our goal is to better understand what technological and behavioral changes would need to occur in order to reduce the carbon emissions of the personal transportation sector to the extent required by climate goals. The project lead to two distinct deliverables: (1) a parameterized emissions and cost model that allows us to understand and compare the lifecycle emissions and costs of ownership of current light-duty vehicles on the market across all technologies and sizes, as well as the impact of various parameters on these metrics; and (2) a model for highly resolved electric and conventional vehicle energy consumption across the United States that allows better understanding of personal travel needs in the context of electric vehicle battery capacity and power system impact. We then performed additional analyses using these two models, and combined them for an evaluation of regional emissions savings and costs of electric vehicles. The insights from this research can inform decisions made by policymakers and engineers, and provide fundamental understanding of the mechanisms underlying transportation energy consumption and technology development. These findings are relevant to consumers, and can inform their purchasing decisions and begin to help address concerns regarding electric vehicle range and performance.
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