Maps and Data
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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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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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 2018 Last update April 2019
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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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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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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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Incentive Additions by Policy Type
Trend of state enactments listed by incentive type from 2002 to 2018 Last update March 2019
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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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Clean Cities Project Awards and Matching Funds
Trend of competitive project awards and matching funds from 1998 to 2017 Last update May 2019
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Light-Duty Vehicle Fuel Economy and Consumption
Relationship between fuel economy and lifetime fuel consumption for light-duty vehicles Last update May 2019
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U.S. Plug-in Electric Vehicle Sales by Model
Monthly Plug-in Electric Vehicle (PEV) sales by model from December 2010 to December 2017 Last update December 2018
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Vehicle Fuel Efficiency (CAFE) Requirements by Year
Trend of CAFE vehicle fuel efficiency standards from 1978-2025 Last update September 2013
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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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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 2017 Last update January 2019
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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 2017 Last update November 2018
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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 2017 Last update October 2018
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U.S. Production, Consumption, and Trade of Ethanol
Trend of total ethanol fuel production and consumption from 1981 to 2018 Last update April 2019
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Clean Cities Coalition Locations
Last update April 2019
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U.S. HEV Sales by Model
Trend of sales by HEV model,1999-2017 Last update December 2018
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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 2017 Last update November 2018
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Biodiesel Purchases by EPAct-Regulated Fleets
Trend of State and Alternative Fuel Provider Biodiesel Purchases from 1999 to 2017 Last update October 2018
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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 1997 to 2017 Last update February 2019
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Hydrogen Laws and Incentives by State
| State | # Laws & Incentives |
| Arizona | 11 |
| California | 40 |
| Colorado | 9 |
| District of Columbia | 6 |
| Georgia | 2 |
| Iowa | 5 |
| Missouri | 5 |
| Montana | 3 |
| New Mexico | 8 |
| Oregon | 6 |
| Utah | 7 |
| Virginia | 10 |
| West Virginia | 5 |
| Wisconsin | 6 |
| Alaska | 1 |
| Indiana | 5 |
| Oklahoma | 7 |
| Nevada | 5 |
| North Carolina | 7 |
| Texas | 7 |
| New York | 5 |
| Delaware | 1 |
| Ohio | 4 |
| Pennsylvania | 5 |
| Hawaii | 8 |
| New Jersey | 3 |
| Maine | 2 |
| Connecticut | 6 |
| Michigan | 6 |
| Arkansas | 2 |
| Rhode Island | 5 |
| Mississippi | 2 |
| North Dakota | 2 |
| Tennessee | 1 |
| Nebraska | 1 |
| South Carolina | 8 |
| Massachusetts | 7 |
| Washington | 11 |
| Alabama | 1 |
| Florida | 1 |
| Illinois | 4 |
| Idaho | 2 |
| Minnesota | 1 |
| Kentucky | 2 |
| Maryland | 2 |
| Vermont | 4 |
| New Hampshire | 1 |
| Wyoming | 2 |
Source: AFDC Laws and Incentives Data
Many states have laws and incentives related to the use of hydrogen as a vehicle fuel. 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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