What logistical hurdle for steam power on railways did the diesel locomotive eliminate?

Answer

The need for constant water replenishment.

Diesel locomotives offered superior efficiency and eliminated the significant logistical hurdle of constantly needing to replenish water supplies, especially when traversing dry regions, which was necessary for steam engines.

What logistical hurdle for steam power on railways did the diesel locomotive eliminate?
inventiontechnologyengineimpactRudolf Diesel