Lower Gas Prices Drive Down Fuel Economy In December
ANN ARBOR - Gas mileage of new vehicles sold in the U.S. slipped last month, driven in part by the dramatic drop in fuel prices, reports the University of Michigan Transportation Research Institute. Average fuel economy (window-sticker values) of cars, light trucks, vans and SUVs purchased in December was 25.1 mpg, down from 25.3 mpg