I really liked the Energizer sponsored EV that they measured how far it could go on the energy in a pair of AA batteries...
The real world stuff that comes out of vehicles like this are battery management systems, motor controllers, motor designs, vehicle body design, the list just keeps going!
Also, at least for the Super Mileage competition that I used to enter in, the driver had to weigh at least 140 pounds, if they didn't the ballast weight was added, speed was capped at 30mph and yes, it was a closed course.
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