A feud is simmering between Ford and Toyota over Ford's claim that its Fusion gasoline-electric hybrid out this spring will be the most fuel-efficient midsize car at 41 m.p.g. in town, 36 on the highway.
Toyota says its higher-mileage Prius hybrid (48/45 m.p.g.) also is midsize -- as defined by the U.S. government. U.S. emissions and fuel-economy regulations judge a car's size category by its combined passenger and cargo space.
Read Article