Technology in batteries are changing daily. The biggest problems that I have seen in batteries and their application, is weight v/s output. This is where we are having issues. The Tahoe hybrid for example had a large amount of weight removed from different areas to off-set the increase in weight from the transmission, battery, and controller modules. I am not saying that these vehicles are the saviors of the world, but I think that they are making a good step in the right direction. You have to realize that yes, an intelligent person who knew their way around electricity could build an electric car. The CHALLENGE is to build one that passes state and federal regulations on safety, and has been PROVEN so. Think about how many HUNDREDS of production cares are crashed for testing. Not exactly a viable thing for the small production guy who built one in his garage.
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"It is not that I have failed, but that I have found 10,000 ways that it DOESN'T work!" --Thomas Edison
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