@dalias @ariadne the surface area of a vehicle isn't enough for panels that can produce enough power to produce a useful range. Cars would have to shrink by an order of magnitude for that to be possible, like with the Sunraycer which only weighed 265kg https://en.wikipedia.org/wiki/Sunraycer
You can get about 1500W if you cover the entire surface area of a car with panels. I.e., basically 2hp, which won't even get you moving on a flat road.
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