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Unfortunately, physics says battery-powered cars have won.

Using solar to power a process to make a fuel before burning a fuel that at best (way less in reality) uses 2x more energy than just powering an electric motor directly is not sensical.

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And the battery makes the car 1.3 times the weight of a gas-powered car. Making the battery requires much more energy than making a gas tank. The charging infrastructure might prove more expensive than a network of gas stations. Long trips are punctuated by idle periods needed for the battery to charge, so the car's "utilization rate" is lower than a gas-powered car. All I am saying is that it is not 1.00 certain which technology will retain the lowest total cost of ownership as both technologies improve: battery tech is more likely to win, but not certain to win.

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