A locomotive operates using diesel-electric, which gets around 90 miles per gallon.
The person who operates a full-scale train (locomotive) is the engineer.Other crew positions are the conductor (who is also the operator on a trolley or streetcar), the brakeman (safety and mechanical crewman), and the fireman (on old-style steam locomotives) who may be simply a stoker.+++In the UK he was and is always simply the Driver, assisted by the Fireman who was never called the 'stoker', on a steam-locomotive. ("He": & she now as there are women drivers now.) "Stoker" was used in the Royal and Merchant Navies for a ship's boiler-room crew-member.
A surgeon.
A person who operates a machine is called an operator and in some cases a machinist.
steam dome, collects the steam at the top of the boilersand dome, holds sand to be deposited on the rails to improve traction in wet or icy conditions; if such conditions do not occur in the location where the locomotive operates this is omitted
He is called the Engineer, or Locomotive Engineer.
Fullerton and Travithick
Motorist.
projectionist
doctor
a captain
A person who operates a milling machine is called a milling machine operator, milling machinist or a machinist.