li ion replacement Archives – The Green Optimistic green tech news, since 2008 Sun, 13 Apr 2008 16:27:30 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Kept Under Secret: New Type of Super Batteries https://www.greenoptimistic.com/kept-under-secret-new-type-of-super-batteries-20080413/ https://www.greenoptimistic.com/kept-under-secret-new-type-of-super-batteries-20080413/#comments Sun, 13 Apr 2008 16:27:30 +0000 https://www.greenoptimistic.com/?p=275 Zenn already has a small electric city car with small performances, but they plan to make that car go further and cheaper than it can go now by 2009. Their new model is said to reach 80mph (128km/h) and have a 250miles (400km) range. How will they do that is yet unknown, due to the […]

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