Plug-in electric cars: How they’ll solve the fuel crunch

The future of American motoring can be found in any hardware store.

It’s not in the automotive section, but over in the power tools aisle. There it sits, proudly displayed as the newest must-have tool in America: the high-powered cordless drill.

It’s the battery we’re interested in, a lithium-ion pack so densely charged with energy that a new 28-volt ­power pack is slimmer than an older 18-volt nickel-metal-hydride (NiMH) battery.

In just over a year, li-ion completed a leap from cellphones to power tools and grabbed the spotlight in that market. Now its boosters say the battery is preparing to graduate to the big time, 4 million miles of American road.

Source:  Popular Mechanics

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