Interesting, This reminds me a V2V energy transportation. There was a study in the past to investigate how could it be designed in the public transportation:

https://digitalcommons.lib.uconn.edu/cgi/viewcontent.cgi?art...

Still imaginary though. (how come vehicles can exchange energy quickly?)

> how [can] vehicles can exchange energy quickly?

Currently in pilot on a small fleet of electric trucks in Australia (actual trucks - prime movers for road trains) - large standard swappable battery packs that can be removed and replaced with a fork lift.

Swap time ~ 3 minutes.