Zero to 60 mph in about nine seconds may sound sluggish, but it's a breakthrough for a zero-emissions, all-electric car that can travel up to 100 miles on a single charge and hit speeds of 85 mph. That's the claim of the i MiEV (for "Mitsubishi Innovative motor Electric Vehicle"), a new plug-in four-door coupe. The i MiEV runs on a pack of 22 lithium-ion batteries, but unlike other electric cars, including the Chevy Volt and Tesla Roadster, the i MiEV doesn't require a liquid cooling system to avoid overheating. "Proprietary metals in the battery design let us do away with it," says Moe Durand, the communications manager for Mitsubishi Motors North America.
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