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If driver 'A' buys a Ford Taurus and drives it 180,000 miles before it become economically unviable to keep it running and junks it and you have Driver 'B' who buys a Prius, drives it for 100,000 miles and junks it because its more expensive than its worth to fix, which is actually better for the environment?"
good point.
they need to get them to last for sure..
the one thing i will point out- yes, fuel will be burned to generate the electricity, but the idea is you centralize the burnng to one highly efficient location, minimizing the smog in the city, keep it at the power plant which is hopefully out in a canyon somewhere. yes yes there are all kinds of probs associated with this but any improvement helps.
what's more efficient ? 100's of tiny generators or one giant one?
for now, the tech still needs work, but is moving in the right direction