” It is why diesel locomotives use the diesels to run electric motors instead of the diesel powering the locomotive directly.”
OTOH, diesel-electric locomotives have 4,000 gallon fuel tanks and are filled approximately twice a week ...
LOL, which is why WE don’t drive cars with diesels running electric motors. It could be done, no doubt.
Are you trying to use a full sized locomotive system in comparison to a scaled down automobile or pickup sized system?
Knowing the realities and efficiency of a scaled down system using the same concept, that would be an unfair comparison to try and make.
The sheer amount of work being done with that 4,000 gallons of fuel is off the charts compared to either Electric or ICE autos and pickups.
That is like comparing a cruise ship to a jetski...