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That's what they did in a Tesla demonstration at a future-of-batteries conference.  I've never been much of a car person, but I have to say, the Tesla does sound exciting. Thanks to EcoHuddle, the more I read, the more into EVs I am.

IBM researchers ... led a future-of-batteries conference that ended Thursday at the center.

Scientists spent two days discussing potential new ways to store electricity and chart paths for research.

IBM is focusing on Lithium-Air batteries, which the company said has the potential to pack up to 10 times the power stored in Lithium-Ion batteries commonly found in cell phones and laptops.

Another point of interest here on EcoHuddle:

Some conference attendees claimed that a lack of guidelines at the US Environmental Protection Agency was leaving car makers free to promise mileage
performance that vehicles aren't likely to deliver on.

Nissan announced its coming Leaf car will get 367 miles (590 kilometers) per gallon of gasoline, while Chevrolet says the Volt will squeeze 230 miles (370 kilometers) from each gallon of fuel .

"I would have never announced those numbers," Nobel Prize winner Burton Richter said of General Motors, which owns Chevrolet. "It was a stupid thing to do."

Richter and other conference-goers suspected that the performance by the cars may not be as spectacular as the companies claim, which could sour the consumers' tastes for alternative energy technologies.