Maps and Data - Vehicle Weight Classes & Categories
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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Vehicles: AFVs and HEVs
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AFV Acquisitions by Regulated Fleets (by Fleet Type)
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AFV Acquisitions by Regulated Fleets (by Fuel Type)
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AFV and HEV Model Offerings, by Manufacturer
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Annual Vehicle Credits Earned and Used by Regulated Fleets
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Average Range and Efficiency of U.S. All-Electric Vehicles
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Biodiesel Purchases by EPAct-Regulated Fleets
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Clean Cities Alternative Fuel Vehicle Inventory
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Clean Cities Energy Use Impact by Alternative Fuel Vehicle Type
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EPAct State & Alternative Fuel Provider Fleet Exemptions
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Light-Duty AFV, HEV, and Diesel Model Offerings, by Technology/Fuel
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Light-Duty AFV Registrations
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TransAtlas
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Transit Buses by Fuel Type
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Types of Vehicles by Weight Class
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U.S. HEV Sales by Model
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U.S. Plug-in Electric Vehicle Sales by Model
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Vehicle Credits Traded by Regulated Fleets
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Vehicle Weight Classes & Categories
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Vehicles: Fuel Consumption and Efficiency
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Average Annual Fuel Use by Vehicle Type
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Average Annual Vehicle Miles Traveled by Major Vehicle Category
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Average Fuel Consumption at Increasing Road Grades
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Average Fuel Economy by Major Vehicle Category
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Average Per-Passenger Fuel Economy by Travel Mode
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Average Range and Efficiency of U.S. All-Electric Vehicles
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Clean Cities Energy Use Impact by VMT Reduction and Fuel Economy
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Vehicle Weight Classes & Categories

These 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). The vehicle weight classes are defined by FHWA and are used consistently throughout the industry. These classes, 1-8, are based on gross vehicle weight rating (GVWR), the maximum weight of the vehicle, as specified by the manufacturer. GVWR includes total vehicle weight plus fluids, passengers, and cargo. FHWA categorizes vehicles as Light Duty (Class 1-2), Medium Duty (Class 3-6), and Heavy Duty (Class 7-8). EPA defines vehicle categories, also by GVWR, for the purposes of emissions and fuel economy certification. EPA classifies vehicles as Light Duty (GVWR < 8,500 lb) or Heavy Duty (GVWR > 8,501 lb). Within the Heavy-Duty class, there is a Medium Heavy Duty Diesel Engine class for engine-only certification, but no Medium-Duty Vehicle class. The September 2011 U.S. Department of Transportation (DOT)/EPA rulemaking on Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles uses categories and weights for Heavy-Duty Vehicle Classes 2b through 8, similar to the FHWA weight classes.
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