Guess I can contribute with some French weirdness.
For starters there's this one time SNCF took a 2-car branch line 330 kW railcar and slapped a 1.1 MW gas turbine on it to research high speed rail dynamics.
Back in the days they did pretty great videos about this conversion (in French tho)
https://www.youtube.com/watch?v=1cZg0W5ogbQ