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I think internal combustion engines will dominate for the next few hundred years. ICE will continue due to the weight of batteries. We are probably coming close to the limits of what physics allows us so civility and continual finessing of design will be the future advances.
Maybe we'll see engines that do not need glycol coolants, maybe not even lubricating oil, and efficiencies like 80 - 100 mpg will be common. I also think we won't need passive safety systems like crush zones because cameras and advances in processing will have cars talking to one another. So, cars will be smaller and the space that is now a three lane highway will allow seven or more cars abreast.
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