Sales-weighted new-car fuel economy stuck at 25 mpg, for fourth year in a row
Even as vehicles become more fuel-efficient, the unending market shift toward crossover utilities, SUVs, and trucks kept the overall average U.S. new fleet efficiency stagnant for the fourth year in a row. For 2017, sales-weighted new-car fuel economy landed at 25.2 mpg, an improvement over 2016 of just 0.1 mpg. The last time there was any...