Why can’t we make trucks like trains, run by electric motors and charged by small diesel generators?

Question by FreddieOh!: Why can’t we make trucks like trains, run by electric motors and charged by small diesel generators?

Best answer:

Answer by artgrantz
Trains are not charged by small deisel engines, they are charged by large deisel engines. Besides the weight of the engine you would need to add the weight of the batteries and the electric motors. A lot of space would be needed.
Trains are efficient because they can slowly build up speed and then cruise along without stopping. Trucks have to operat ein traffic where they start and stop frequently.

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