It has been maintained to look much as it did in the 1930s when electricity replaced steam to operate the farm machinery.

Diesel power replaced steam, and the automobile replaced the boat as Americans' favorite transportation.

In the 1950s, as diesel locomotives replaced steam, the railroad no longer needed to use the Caliente site.

Instead, the Eastern Region had to content itself with being an early adopter of diesel-electric power, replacing steam at the earliest opportunity.

As mining companies were created, electric motors began to replace the mule and steam powered engines in several of the mines.

Later, when the early demand for diesel locomotives to replace steam tapered off, Baldwin could not compete in the marketplace.

Diesel and electric locomotives started slowly replacing steam in 1950s.

During this period, compressed air began to replace steam as the vehicle of producing sound.

Technology changed the course of the industry when electricity replaced steam.

The Class 38-000 was designed to replace steam on pickup work on the Reef.