Transportation is the largest source of greenhouse gas emissions in the United States, with petroleum accounting for 90 percent of transportation fuels. Policymakers encounter a range of questions as they consider low-carbon fuel standards to reduce emissions, including total emissions released from production to use of a fuel or the potential consequences of a policy. Life-cycle assessment is an essential tool for addressing these questions. This report provides researchers and practitioners with a toolkit for applying life-cycle assessment to estimate greenhouse gas emissions, including identification of the best approach to use for a stated policy goal, how to reduce uncertainty and variability through verification and certification, and the core assumptions that can be applied to various fuel types. Policymakers should still use a tailored approach for each fuel type, given that petroleum-based ground, air, and marine transportation fuels necessitate different considerations than alternative fuels including biofuels, hydrogen, and electricity. Ultimately, life-cycle assessments should clearly document what assumptions and methods are used to ensure transparency.
Board on Agriculture and Natural Resources & Board on Energy and Environmental Systems
Current Methods for Life-Cycle Analyses of Low-Carbon Transportation Fuels in the United States [EPUB ebook]
Current Methods for Life-Cycle Analyses of Low-Carbon Transportation Fuels in the United States [EPUB ebook]
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Idioma Inglés ● Formato EPUB ● Páginas 236 ● ISBN 9780309273961 ● Editorial National Academies Press ● Publicado 2022 ● Descargable 3 veces ● Divisa EUR ● ID 8825263 ● Protección de copia Adobe DRM
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