As Cars Reach Another Mileage Record, EPA Warns About Costs

  • Vehicles averaged 25 miles per gallon in 2017 model year
  • Report becomes fodder in debate over Trump push to ease rules
Vehicles travel on the Golden Gate Bridge during the morning commute in San Francisco, California.Photographer: David Paul Morris/Bloomberg
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Automakers continue to set records for fuel economy, according to data released Wednesday by the EPA that both the Trump administration and environmentalists seized as evidence in their clash over the future of federal mandates.

Vehicles offered for sale in the U.S. for the 2017 model year averaged nearly 25 miles per gallon, up slightly from the prior year and an all-time high, the Environmental Protection Agency said in its annual report card on the efficiency of new vehicles.