https://en.wikipedia.org/wiki/Ford_Nucleon
https://en.wikipedia.org/wiki/Atomic_battery
https://www.nasa.gov/topics/technology/hydrogen/fc_shuttle.html#:~:text=Fuel%20cells%20are%20used%20in,from%20launch%20through%20landing%20rollout.
and that was the 1980s just no profit in it for mugs like...