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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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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ARRA Electrification Projects
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Annual Vehicle Credits Earned and Used by Regulated Fleets
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BioFuels Atlas
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Biodiesel Purchases by EPAct-Regulated Fleets
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Clean Cities Alternative Fuel and Advanced Vehicle Inventory
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Clean Cities Petroleum Savings by AFV Type
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Exemptions from EPAct by Regulated Fleets
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Light-Duty AFV, HEV, and Diesel Model Offerings, By Fuel Type
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On-Road AFVs Made Available by Year
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TransAtlas
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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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U.S. Transit Buses by Fuel Type
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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 of Major Vehicle Categories
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Average Annual Vehicle Miles Traveled of Major Vehicle Categories
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Average Fuel Economy at Different Road Grades
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Average Fuel Economy of Major Vehicle Categories
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Average Per-Passenger Fuel Economy of Various Travel Modes
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Clean Cities Petroleum Savings by Fuel Economy and VMT Reductions
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Fuel Economy at Various Driving Speeds
45 | 55 | 65 | 75 | |
Midsize Car | 39.1 | 41.7 | 36.9 | 31.9 |
Small SUV | 32.5 | 34.3 | 29.1 | 24.5 |
Large SUV | 29.5 | 30 | 23 | 19.8 |
Midsize Diesel Car | 56.4 | 57 | 47.9 | 40.2 |
Large Diesel SUV | 43.6 | 39.9 | 32.5 | 26.9 |
2000 Insight HEV | 101.3 | 94.3 | 80 | 60.6 |
2004 Prius HEV | 72 | 66 | 57 | 42 |
Source: Oak Ridge National Laboratory Transportation Energy Data Book #30, Table 4.27.
This chart shows how fuel economy varies with driving speed for various vehicle categories, as modeled by Argonne National Laboratory's Powertrain System Analysis Toolkit (PSAT). All conventional gasoline vehicles (and the midsize diesel car) achieve their best fuel economy at 55 mph. The selected hybrid electric vehicles (HEVs) and the large diesel SUV achieve better fuel economy at 45 mph than at 55 mph.
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