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: Fuel Consumption and Efficiency
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Fuel Economy and Consumption of Light-Duty Vehicles
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Fuel Economy at Various Driving Speeds
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Fuel Use by Transportation Mode in 2019
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Power and Fuel Economy of the Average Light-Duty Vehicle
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Vehicle Fuel Efficiency (CAFE) Requirements by Year
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Vehicles: Vehicle Market
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AFV and HEV Model Offerings, by Manufacturer
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Efficiency Ratios for Light-Duty All-Electric Vehicles in the United States
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Light-Duty Vehicles Produced in the United States
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TransAtlas
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Types of Vehicles by Weight Class
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U.S. Vehicles by Transportation Mode
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Vehicle Weight Classes & Categories
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Vehicles: Driving Patterns
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Annual Vehicle Miles Traveled in the United States
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Average Fuel Economy by Major Vehicle Category
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Average Monthly Fluctuation in U.S. Vehicle Miles Traveled
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Average Vehicle Trip Length by Purpose (2017)
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Means of Transportation to Work
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Share of All U.S. Vehicle Trips by Length (miles)
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Laws & Incentives
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Biodiesel Laws and Incentives by State
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Electric Vehicle Laws and Incentives by State
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Ethanol Laws and Incentives by State
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Fuel Taxes by Country
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Hydrogen Laws and Incentives by State
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Incentive Additions by Policy Type
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Law and Incentive Additions by Fuel/Technology Type
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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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