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Page 105
Suggested Citation:"Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2021. An Update on Public Transportation's Impacts on Greenhouse Gas Emissions. Washington, DC: The National Academies Press. doi: 10.17226/26103.
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Page 105

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105   BTU British Thermal Unit CH4 Methane CO2 Carbon Dioxide CO2(b) Biogenic Carbon Dioxide CO2e Carbon Dioxide Equivalent COVID-19 Coronavirus Disease 2019 eGRID Emissions and Generation Resource Integrated Database GHG Greenhouse Gas GIS Geographic Information System GREET The Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model GWP Global Warming Potential kg Kilograms kWh Kilowatt Hour MMT Million Metric Tons mpg Miles per Gallon MT Metric Tons N2O Nitrous Oxide NHTS National Household Travel Survey NTD National Transit Database SEM Structural Equation Modeling SOV Single Occupancy Vehicle TAZ Traffic Analysis Zone TOD Transit-Oriented Development U.S. EPA UZA United States Environmental Protection Agency Urbanized Area VMT Vehicle Miles Traveled Abbreviations

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An Update on Public Transportation's Impacts on Greenhouse Gas Emissions Get This Book
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 An Update on Public Transportation's Impacts on Greenhouse Gas Emissions
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Transportation is a major source of the greenhouse gas (GHG) emissions that are causing climate change. As communities work to cut emissions and become more resilient, they are including public transportation advances as a significant part of their climate action strategies.

The TRB Transit Cooperative Research Board's TCRP Research Report 226: An Update on Public Transportation's Impacts on Greenhouse Gas Emissions provides updated national analysis of public transportation’s role as a climate solution by documenting its 2018 GHG impacts.

Supplemental materials to the report include three factsheets (Fact Sheet 1, Fact Sheet 2, and Fact Sheet 3); various key findings regarding transit as a climate solution; a PowerPoint presentation summarizing the findings and research and a template for transit agencies to add their own data for climate communications; and a simple spreadsheet tool that provides this study’s 2018 GHG impact findings by transit agency and allows the user to apply several of the future scenarios to see how their transit agency’s GHG impacts change with electrification, clean power, and ridership increases.

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