The U.S. new vehicle automotive fleet’s fuel efficiency was flat in the 2021 model year as automakers sold more sport utility vehicles and pickup trucks compared to cars, while the Detroit Three lagged behind foreign competitors and Tesla. The U.S. Environmental Protection Agency said on Monday the fleetwide real-world average was 25.4 miles per gallon in the 2021 model year, the same as in 2020. The EPA estimates the 2022 fleetwide efficiency average will rise to 26.4 mpg.
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