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Frequently Asked Questions (FAQs)

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How many alternative fuel and hybrid vehicles are there in the United States?

The U.S. Energy Information Administration (EIA) publishes historical annual data for 2002 through 2017 on the number of alternative fuel vehicles (AFV) in inventory for four types of vehicle fleets: federal government, state governments, transit agencies, and fuel providers. The data include supply of AFV, gasoline-electric hybrid vehicles, and diesel-electric hybrid vehicles from two types of suppliers: original equipment manufacturers and aftermarket vehicle converters. No newer data are available because EIA has discontinued the Annual Survey of Alternative Fueled Vehicles, Form EIA-886.

More recent data on AFV are published in Oak Ridge National Laboratory’s Transportation Energy Data Book; see Chapter 6: Alternative Fuel and Advanced Technology Vehicles and Characteristics.

EIA publishes model-based estimates and projections based on various assumptions for stocks of AFV including electric and hybrid-electric vehicles in the United States in the Annual Energy Outlook. See the Reference case tables:

  • Table 39. Light-Duty Vehicle Stock by Technology Type
  • Table 45. Transportation Fleet Car and Truck Stock by Type and Technology
  • Table 49. Freight Transportation Energy Use

Learn more:
Definitions for AFV and hybrid vehicles

Last updated: January 10, 2023

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