Maps and Data - Energy Losses in Light-Duty Gasoline Vehicles
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Energy Losses in Light-Duty Gasoline Vehicles
Source: FuelEconomy.gov's Where the Energy Goes: Gasoline Vehicles
Notes: Sources of energy losses can be found by downloading the Excel spreadsheet.
In the average light-duty vehicle (LDV), only an average of 20% of the energy released from the fuel is delivered to the wheels and forward motion. The remaining energy is wasted largely through engine inefficiencies, drivetrain friction, and parasitic loads, such as water pumps and alternators. This leaves much opportunity for innovations to improve the efficiency of future LDVs.
To view more details, notes, and acronyms, please download the Excel spreadsheet.
Source: FuelEconomy.gov's Where the Energy Goes: Gasoline Vehicles
Notes: Sources of energy losses can be found by downloading the Excel spreadsheet.
In the average light-duty vehicle (LDV), only an average of 20% of the energy released from the fuel is delivered to the wheels and forward motion. The remaining energy is wasted largely through engine inefficiencies, drivetrain friction, and parasitic loads, such as water pumps and alternators. This leaves much opportunity for innovations to improve the efficiency of future LDVs.
To view more details, notes, and acronyms, please download the Excel spreadsheet.