WASHINGTON -- The U.S. vehicle fleet hit a record for fuel efficiency in 2018 averaging 25.1 miles mpg in real-world driving as it rose 0.2 mpg, the EPA said.
WASHINGTON -- The U.S. vehicle fleet hit a record for fuel efficiency in 2018 averaging 25.1 miles mpg in real-world driving as it rose 0.2 mpg, the EPA said.