Is a lithium-less Prius a flop?

Is Toyota about to stumble?

The current Toyota Prius is a fantastic car. Yet, the hype building around the third generation Prius has been amazing. Rumors of a 100 mpg Prius, or at least 80 mpg, have filled blogs throughout the Internet. As a result, many potential Prius buyers have decided to wait.

Yet, it seems almost a certainty that the first iteration of the third generation Prius, and all of Toyota's hybrid cars, will not utilize lithium-ion batteries.

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