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4. Prius beats N/A
4. Prius beats N/A
Toyota's hybrid Prius family has grown to four models, including the plug-in, the roomier "V" and the economical "C." Sales nearly tripled in May to 21,477. Neither Ford, nor any other manufacturer, has a comparable high-tech brand. Skepticism was high when Prius was launched more than a decade ago, but now it outsells Buick, Acura -- and Lincoln -- on its own.

By Alex Taylor III, senior editor-at-large @FortuneMagazine - Last updated June 27 2012: 12:24 PM ET
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