Maps and Data
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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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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Biodiesel Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of biodiesel
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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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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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Electric Vehicle Laws and Incentives by State
Displays states and their respective law and incentive counts related to electric vehicles
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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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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 2020 Last update May 2021
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Incentive Additions by Policy Type
Trend of state enactments listed by incentive type from 2002 to 2020 Last update May 2021
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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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Fuel Economy and Consumption of Light-Duty Vehicles
Relationship between fuel economy and lifetime fuel consumption for light-duty vehicles Last update May 2021
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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 2019 Last update January 2021
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Vehicle Fuel Efficiency (CAFE) Requirements by Year
Trend of Corporate Average Fuel Economy (CAFE) vehicle fuel efficiency standards from 1978 to 2025 Last update September 2013
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U.S. HEV Sales by Model
Trend of sales by hybrid electric vehicle (HEV) model, 1999-2019 Last update January 2020
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Biodiesel Purchases by EPAct-Regulated Fleets
Trend of State and Alternative Fuel Provider Biodiesel Purchases from 2000 to 2019 Last update January 2021
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U.S. Plug-in Electric Vehicle Sales by Model
Trend of sales by PEV model, 2011-2019 Last update January 2020
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AFV Acquisitions by Regulated Fleets (by Fleet Type)
Trend of State & Alternative Fuel Provider (S&FP) alternative fuel vehicle (AFV) acquisitions by fleet type from 1992 to 2019 Last update January 2021
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AFV Acquisitions by Regulated Fleets (by Fuel Type)
Trend of State & Alternative Fuel Provider (S&FP) alternative fuel vehicle (AFV) acquisitions by fuel type from 1992 to 2019 Last update January 2021
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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 2019 Last update January 2021
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Annual Vehicle Credits Earned and Used by Regulated Fleets
Trend of State & Alternative Fuel Provider (S&FP) EPAct credits traded and transactions from 1999 to 2019 Last update January 2021
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U.S. Production, Consumption, and Trade of Ethanol
Trend of total ethanol fuel production and consumption from 2000 to 2020 Last update June 2021
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Clean Cities Coalition Locations
Displays coalition locations and boundaries across the United States Last update February 2022
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Natural Gas Laws and Incentives by State
| State | # Laws & Incentives |
| Colorado | 16 |
| Alabama | 5 |
| Arizona | 14 |
| California | 30 |
| District of Columbia | 3 |
| Georgia | 4 |
| Illinois | 6 |
| Iowa | 7 |
| Massachusetts | 5 |
| Minnesota | 7 |
| Mississippi | 8 |
| Missouri | 8 |
| Nebraska | 6 |
| New Mexico | 10 |
| Oregon | 11 |
| Texas | 16 |
| Virginia | 14 |
| Washington | 10 |
| West Virginia | 7 |
| Wisconsin | 9 |
| Montana | 5 |
| Kansas | 5 |
| Alaska | 1 |
| Indiana | 13 |
| Oklahoma | 16 |
| Nevada | 7 |
| Louisiana | 8 |
| North Carolina | 8 |
| Maine | 3 |
| New York | 8 |
| Delaware | 4 |
| Ohio | 8 |
| Pennsylvania | 6 |
| Hawaii | 5 |
| Michigan | 7 |
| New Jersey | 4 |
| Connecticut | 6 |
| Arkansas | 5 |
| Kentucky | 4 |
| North Dakota | 4 |
| Rhode Island | 5 |
| Maryland | 5 |
| Tennessee | 7 |
| Utah | 10 |
| Idaho | 3 |
| Florida | 4 |
| Vermont | 4 |
| Wyoming | 7 |
| New Hampshire | 3 |
| South Carolina | 5 |
| South Dakota | 3 |
Source: AFDC Laws and Incentives Data
Many states have laws and incentives related to the use of compressed natural gas (CNG) and liquefied natural gas (LNG). Roll over a state on the map to view a count of laws and incentives. Visit the Laws and Incentives page to read specific pieces of legislation or for information on federal policies.
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