Maps and Data
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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119 results
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Regulated Fleets: State & Alt Fuel Providers
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Biodiesel Purchases by EPAct-Regulated Fleets
Trend of State and Alternative Fuel Provider Biodiesel Purchases from 2000 to 2022 Last update June 2023
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Clean Cities: Vehicles
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Clean Cities Alternative Fuel Vehicle Inventory
Alternative fuel vehicle inventory reported by Clean Cities coalitions from 2004 to 2021 Last update March 2023
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Clean Cities Energy Use Impact by Alternative Fuel Vehicle Type
Trend of energy impact by fuels used in alternative fuel vehicles from 2004 to 2021 Last update March 2023
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Fuels & Infrastructure: Idle Reduction
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Clean Cities Energy Use Impact through Idle Reduction
Trend of energy impact by idle reduction policies and technologies from 2004 to 2021 Last update March 2023
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Vehicles
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Efficiency Ratios for Light-Duty All-Electric Vehicles in the United States
Provides efficiency ratios of on-road all-electric vehicles in the United States in 2021, based on vehicle registration data. Last update June 2023
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Laws & Incentives
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Electric Vehicle Laws and Incentives by State
Displays states and their respective law and incentive counts related to electric vehicles
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Vehicles
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Electric Vehicle Registrations by State
U.S. light-duty electric vehicle population as of December 2022 Last update July 2023
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Regulated Fleets: State & Alt Fuel Providers
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EPAct State & Alternative Fuel Provider Fleet Exemptions
Trend of State & Alternative Fuel Provider (S&FP) exemption requests and vehicles exempted from 1997 to 2022 Last update June 2023
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Laws & Incentives
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Ethanol Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of ethanol
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Fuel Taxes by Country
Comparison of gasoline and diesel taxes in Organization for Economic Cooperation and Development countries Last update March 2019
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Fuels & Infrastructure: Emissions
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Greenhouse Gas Emissions by Economic Sector
Trend of U.S. greenhouse gas emission for each economic sector Last update August 2022
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Laws & Incentives
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Hydrogen Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of hydrogen
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Incentive Additions by Policy Type
Trend of state law and incentive enactments listed by incentive type from 2002 to 2022 Last update March 2023
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Law and Incentive Additions by Fuel/Technology Type
Trend of state law and incentive enactments, listed by the targeted technology or fuel type, from 2002 to 2022 Last update March 2023
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Natural Gas Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of natural gas
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Propane Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of propane
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Renewable Diesel Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of renewable diesel
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Vehicles
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TransAtlas
Interactive map displays light-duty vehicle registration counts over time by state and fuel type
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Regulated Fleets: State & Alt Fuel Providers
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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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Biodiesel Purchases by EPAct-Regulated Fleets
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
| Fuel Provider | 0.3287 | 0.622942 | 1.338747 | 1.250302 | 1.61509 | 2.059643 | 3.047855 | 2.390838 | 3.126348 | 3.187327 | 1.908758 | 1.63083 | 2.073597 | 3.641756 | 3.357118 | 2.693851 | 2.593058 | 2.506867 | 3.296781 | 4.192217 | 5.59323 | 5.160769 | 5.387642 |
| State | 0.029547 | 0.31725 | 0.775041 | 0.936616 | 0.865485 | 1.324604 | 2.140564 | 2.107977 | 3.183212 | 2.471265 | 3.658164 | 7.35416 | 4.063314 | 4.057722 | 3.541764 | 3.551643 | 2.515122 | 8.727038 | 4.640663 | 4.090221 | 11.453926 | 6.671673 | 7.300646 |
Source: National Renewable Energy Laboratory's 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 as a fraction of their light-duty vehicle acquisitions. Covered fleets may also meet some of their requirements by using biodiesel blends of 20% (B20) or higher in medium- or heavy-duty vehicles. This chart shows the amount of biodiesel purchased by covered fleets from 2000 to 2022.
To view more details, notes, and acronyms, please download the Excel spreadsheet.
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