dieselize

• (UK) dieselise

From diesel +‎ -ize.

dieselize (third-person singular simple present dieselizes, present participle dieselizing, simple past and past participle dieselized)

1. (US, transitive) To convert or adapt an engine to diesel fuel.
2. (US, transitive, rail transport) To replace steam or electric train service on a particular route or network with diesel-engined trains.