Mazda tops EPA fuel-efficiency rankings for fifth year in a row

2016 Mazda 3Pick-ups and SUVs are rapidly taking over the American automotive landscape, but there's at least one measure in which it benefits an automaker to sell fewer of those vehicles. In the Environmental Protection Agency's latest "Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends" report, Mazda was named as the...