Maps and Data
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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160 results
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Vehicles: Hybrid Electric Vehicles
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Vehicle Credits Traded by Regulated Fleets
Trend of State & Alternative Fuel Provider (S&FP) EPAct credits traded and transactions from 1997 to 2022 Last update June 2023
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Vehicles: Fuel Cell Vehicles
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Vehicle Credits Traded by Regulated Fleets
Trend of State & Alternative Fuel Provider (S&FP) EPAct credits traded and transactions from 1997 to 2022 Last update June 2023
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: Natural Gas Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: Diesel Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: Propane Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: All-Electric Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: Plug-in Hybrid Electric Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: Hybrid Electric Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicles: Flex Fuel Vehicles
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Vehicle Weight Classes & Categories
Charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). Last update June 2012
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Vehicle Credits Traded by Regulated Fleets
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
| Trade Transactions | [object Object] | [object Object] | 6 | 10 | 17 | 19 | 32 | 29 | 31 | 27 | 39 | 30 | 32 | 31 | 26 | 23 | 26 | 13 | 11 | 5 | 10 | 10 | 10 | 7 | 9 | 8 |
| Credits Traded | [object Object] | [object Object] | 64 | 376 | 583 | 779 | 1237 | 1312 | 1053 | 933 | 1574 | 1097 | 496 | 1090 | 467 | 849 | 1154 | 383 | 1956 | 277 | 188 | 140 | 1659 | 186 | 33 | 3255 |
Source: National Renewable Energy Laboratory EPAct State and Alternative Fuel Provider Fleet Task
Under the Energy Policy Act of 1992 (EPAct) and subsequent regulations, certain vehicle fleets operated by state agencies or alternative fuel providers are required to acquire alternative fuel vehicles (AFVs) as a fraction of their light-duty vehicles. Covered fleets can earn credits for AFVs they acquire beyond their base requirements, and they may bank these credits for future use or trade them to other fleets. This chart shows the number of credits traded from 1997 to 2022.
To view more details, notes, and acronyms, please download the Excel spreadsheet.
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