The average fuel economy of 2013 model vehicles sold in the United States through July is 24.7 mpg, up 1.2 mpg compared with 2012 vehicles, according to a monthly report from University of Michigan researchers.
The average fuel economy of 2013 model vehicles sold in the United States through July is 24.7 mpg, up 1.2 mpg compared with 2012 vehicles, according to a monthly report from University of Michigan researchers.