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Adrian Covert atPopsci.com reports:
"If all of its perceived potential is delivered, the ultracapacitor could revolutionize everything from electric cars to renewable energy storage, providing a long-awaited evolutionary step beyond current rechargeable battery tech. EEStor's ultracapacitor works more or less exactly like the capacitors found in electronics today, briefly holding and releasing small charges, only on a much larger scale; it would be able rapidly take on enough juice to power a car for 250-300 miles within a matter of minutes, EEStor claims. It could also be used to store renewable energy generated by solar and wind plants more efficiently." See full article.