I think the other good reality check in the analysis is that powering a significant portion of the range an electric vehicle by solar power only really works if the vehicle is designed to use very little electricity.
His examples where it's feasible are the "absurdly impractical" solar electric racers, low speed electric vehicles, and e-bikes.
All of which says in a round about way that our small number of commercially available electric vehicles are energy hogs, relatively speaking.
I'm looking forward to the day when efficiency of EV's becomes a competitive focus in that segment, as it has in the ICE segment.
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