Maps and Data - Hydrogen Laws and Incentives by State
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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Vehicles: AFVs and HEVs
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Biodiesel Purchases by EPAct-Regulated Fleets
Trend of State and Alternative Fuel Provider Biodiesel Purchases from 2000 to 2023 Last update May 2024
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Clean Cities and Communities Alternative Fuel Vehicle Inventory
Alternative fuel vehicle inventory reported by Clean Cities and Communities coalitions from 2004 to 2022 Last update February 2024
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Clean Cities and Communities Energy Use Impact by AFV Type
Trend of energy impact by fuels used in alternative fuel vehicles (AFVs) from 2004 to 2022 Last update February 2024
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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 September 2024
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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 2023 Last update June 2024
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Light-Duty AFV, HEV, and Diesel Model Offerings, by Technology/Fuel
Trend of vehicle models incorporating various advanced technologies or alternative fuels, from 1991 through 2024 Last update May 2024
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Light-Duty AFV Registrations
Breakdown of alternative fuel vehicle (AFV) registrations by fuel type Last update June 2024
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TransAtlas
Interactive map displays light-duty vehicle registration counts over time by state and fuel type
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Transit Buses by Fuel Type
Trend of buses powered by various fuels in the United States, 2007-2021 Last update April 2024
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Types of Vehicles by Weight Class
Chart shows typical vehicle types within the Federal Highway Administration (FHWA) vehicle classes Last update June 2012
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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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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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Vehicle Credits Traded by Regulated Fleets
Trend of State & Alternative Fuel Provider (S&FP) EPAct credits traded and transactions from 1997 to 2023 Last update May 2024
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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: Fuel Consumption and Efficiency
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Average Annual Fuel Use by Vehicle Type
Comparison of fuel use (per vehicle) among vehicle types Last update May 2024
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Average Annual Vehicle Miles Traveled by Major Vehicle Category
Comparison of miles traveled (per vehicle) among vehicle types Last update September 2024
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Average Fuel Consumption at Increasing Road Grades
Trend of fuel consumption at increasing road grades, for various vehicle types Last update August 2014
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Average Fuel Economy by Major Vehicle Category
Comparison of fuel economy among vehicle types Last update January 2024
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Average Per-Passenger Fuel Economy by Travel Mode
Comparison of per-passenger fuel economy for various modes of transportation Last update October 2022
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Clean Cities and Communities Energy Use Impact by VMT Reduction and FE
Trend of energy impact by fuel economy (FE) improvements and reductions in vehicle miles traveled (VMT) from 2004 to 2022 Last update February 2024
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Clean Cities and Communities Energy Use Impact through Idle Reduction
Trend of energy impact by idle reduction policies and technologies from 2004 to 2022 Last update February 2024
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Composition of New U.S. Light-Duty Vehicles by Vehicle Type
Trend showing the shift in popularity of trucks versus cars by year Last update January 2024
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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 September 2024
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Energy Expenditures by Sector
Trend of U.S. transportation and residential energy expenditures, per capita, from 1970 to 2021 Last update January 2024
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Energy Losses in Light-Duty Gasoline Vehicles
Breakdown of energy lost to various factors in light-duty vehicles Last update January 2024
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Hydrogen Laws and Incentives by State
| State | # Laws & Incentives |
| Arizona | 11 |
| California | 65 |
| Colorado | 15 |
| District of Columbia | 7 |
| Georgia | 3 |
| Iowa | 5 |
| Missouri | 4 |
| New Mexico | 12 |
| Oregon | 11 |
| Virginia | 12 |
| West Virginia | 4 |
| Wisconsin | 6 |
| Alaska | 1 |
| Indiana | 5 |
| Oklahoma | 12 |
| Nevada | 9 |
| Texas | 10 |
| New York | 13 |
| Delaware | 1 |
| Ohio | 3 |
| Pennsylvania | 8 |
| Hawaii | 10 |
| North Carolina | 9 |
| New Jersey | 10 |
| Maine | 4 |
| Connecticut | 14 |
| Michigan | 9 |
| Arkansas | 2 |
| Rhode Island | 9 |
| Mississippi | 2 |
| North Dakota | 4 |
| Tennessee | 1 |
| Nebraska | 1 |
| South Carolina | 8 |
| Massachusetts | 19 |
| Washington | 24 |
| Alabama | 1 |
| Florida | 2 |
| Idaho | 2 |
| Illinois | 3 |
| Maryland | 9 |
| Minnesota | 2 |
| Utah | 8 |
| Kentucky | 4 |
| Vermont | 5 |
| New Hampshire | 2 |
| Wyoming | 1 |
| Montana | 2 |
| South Dakota | 1 |
| Louisiana | 1 |
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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