The average fuel economy of new trucks, cars, SUVs and vans sold in September fell 0.3 mpg from August, to 24.6 mpg, according to a monthly report from the University of Michigan Transportation Research Institute.
The average fuel economy of new trucks, cars, SUVs and vans sold in September fell 0.3 mpg from August, to 24.6 mpg, according to a monthly report from the University of Michigan Transportation Research Institute.