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Taking a cue from Tesla?
The latest iteration of the C-Max is a "plug-in" hybrid, meaning that its battery can be charged from an outside source. That gives the car a short range on purely electric power, much like General Motors' (NYSE: GM ) Chevy Volt -- 21 miles in the case of the C-Max.
Ford calls it the C-Max Energi, and has quietly begun rolling it out to select dealers around the country. One of the most interesting things about the car is its battery pack, which, while small, is unusually efficient for its size -- more so than the battery packs found in the Volt and the plug-in Prius.
Ford's engineers credit much of that efficiency to the unit's battery cells, which are produced by Panasonic (NYSE: PC ) in Japan. Ford electric-car chief Kevin Layden told the Wall Street Journal that he believes Panasonic's battery is "the best battery in the entire world," which is why Ford chooses to import the company's lithium-ion cells from Japan for its hybrids, rather than buying batteries made locally.
There are good reasons to share that belief. Chief among them: The battery packs in Tesla's hot-selling Model S sedan -- which, in top trim, give the big car a range of up to 300 miles -- are powered by Panasonic cells.
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