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Originally Posted by Lanny_MacDonald
If you can add a $1000 solar cell, a $1000 converter, a $1000 storage system, and a $1000 engine modification, and be able to run your car with your garden hose, who isn't going to be all over that and not really caring about the cost? Water is renewable, and the sun is going to be around for a few more billion years.
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Costs have to be reasonable though (and they aren't right now) and effencies must increase. It doesn't help if it takes 2 weeks of sun to get a 100km trip out of your car.