Maps and Data - Fuel Economy at Various Driving Speeds
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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Fuels & Infrastructure: Fuel Trends
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Average Retail Fuel Prices in the United States
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Change in U.S. Vehicle Registration Counts
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Consumption of Natural Gas in the United States
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Energy Use by Transportation Mode and Fuel Type
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Fuel Taxes by Country
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Fuel Use by Transportation Mode in 2017
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Global Ethanol Production
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U.S. Biodiesel Production, Exports, and Consumption
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U.S. Crude Oil Imports by Country of Origin
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U.S. Production, Consumption, and Trade of Ethanol
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U.S. Production, Consumption, and Trade of Petroleum Products
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Fuels & Infrastructure: Alternative Fueling Stations
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Biodiesel Fueling Station Locations by State
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BioFuels Atlas
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Compressed Natural Gas Fueling Stations by State
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E85 Fueling Station Locations by State
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Electric Vehicle Charging Outlets by State
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Hydrogen Fueling Station Locations by State
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Liquefied Natural Gas Fueling Stations by State
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Propane Fueling Station Locations by State
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TransAtlas
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U.S. Alternative Fueling Stations by Fuel Type
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Fuels & Infrastructure: Transportation Infrastructure
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Miles of U.S. Transportation Infrastructure
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Fuels & Infrastructure: Biofuels Production
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BioFuels Atlas
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Corn Production and Portion Used for Fuel Ethanol
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Global Ethanol Production
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Fuel Economy at Various Driving Speeds
45 | 55 | 65 | 75 | |
Midsize Conventional Gasoline Car | 43 | 45 | 38 | 32 |
Midsize Conventional Diesel Car | 57 | 55 | 45 | 37 |
Midsize Hybrid Electric Car | 55 | 46 | 38 | 33 |
Source: Oak Ridge National Laboratory, Transportation Energy Data Book #38, Table 4.33.
This chart shows how fuel economy varies with driving speed for midsize cars and three fuel types, as modeled by Argonne National Laboratory's Autonomie model. Midsize conventional gasoline cars achieve their best fuel economy at 55 mph. The fuel economy of midsize conventional diesel cars declines gradually from 45 to 55 mph, then drops quickly thereafter. The midsize hybrid electric vehicle loses efficiency more evenly between 45 and 75 mph.
To view more details, notes, and acronyms, please download the Excel spreadsheet.
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