Measuring real-world fuel economy in autonomous cars

Automated control of cars may let “drivers” rack up more fuel savings than if they were completely in charge, according to a new study conducted by the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) and Volvo Cars. Placing a number on the fuel efficiency of such vehicles is challenging, as fuel economy is typically measured in a lab, but that doesn’t work for automated vehicles, says NREL.

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