What event in 1900 served as a crucial demonstration of the Diesel engine's commercial viability?

Answer

The 1900 Paris Exposition Universelle.

The 1900 Paris Exposition Universelle is cited as the turning point where Rudolf Diesel presented his engine to the world stage, proving its capability on a commercial scale beyond the laboratory setting.

What event in 1900 served as a crucial demonstration of the Diesel engine's commercial viability?
inventiontechnologyengineimpactRudolf Diesel