Summary
There's a case to be made for using both. Because the new batteries can absorb large amounts of electricity quickly, braking energy can be captured and fed into the lithium ion batteries to keep them charged.
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Road Less Traveled Suits Indy Power
By 2007, the technology for electric cars had evolved such that banker Steve Tolen had formed a company to build and sell one using off-the-shelf parts.
Or so he thought. He couldn't find a power control system that could handle the mix of different battery types he wanted for his electric car. Without that mix, the car would be underpowered...See the full content of this document
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