Has green startup EEStor patented the demise of the battery?

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It's hard to know what to make of this but, if it goes anywhere, it's pretty exciting news. EEStor has filed a patent for a new invention that will bring "technologies for replacement of electrochemical batteries." Such a product could make plug-in cars more viable, and possibly play a big role in eliminating America's dependence on foreign oil.

Zenn Motor Co. has bought the rights to the battery, and expects to be selling low-speed cars with the battery sometime this year. The fact that EEStor has been so reclusive -- declining an interview with the Associated Press -- makes it look more legit. This isn't some penny stock promotion putting out press releases and YouTube videos like XDSL was not so long ago. EEStor also has the backing of a firm that invested in companies like Google and Amazon.com in the early stages.

Many industry experts remain skeptical -- which is reasonable, given how revolutionary the product is if it does indeed work.

The ramifications of the end of electrochemical car batteries are huge. It could have political as well as economic significance, and there are sure to be investment plays to come with it. But it's too early in the process right now, and there are tons of things that could go wrong.

But the EEStor story is definitely something to keep an eye on.

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Last updated: March 20, 2010: 09:59 PM

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