Batteries possibly included: the train engine innovations taking on diesel
Do hydrogen and battery trains mean the end for diesel traction? - International Railway Journal
Double heading - Wikipedia
Locomotives – Southeastern Railway Museum
Locomotive - Wikipedia
Commentary: Many freight locomotives no longer needed - FreightWaves
How Diesel Locomotives Work | HowStuffWorks
The True Dangers of Long Trains
How Do Steam Locomotives Work - Steam Engines Explained - YouTube
Ask Clay: Why train engines face each other
Are US trains really that bad? It's complicated - CNET
How Do Model Trains Work? - Charles Ro Supply Company
Tutorial:Trains - Official Satisfactory Wiki
Can Trains Run Backwards? – Traingeek – Trains and Photography
The Filthy Emissions of Railroad Locomotives—and the Rail Unions Sounding the Alarm - The American Prospect
Meet the 'T' Train: Vande Bharat-Vistadome Comfort, Old Steam Avatar for Electric Engine, Tourist Special - News18
UP: From Steam to Green: The History and Evolution of Locomotives
The Evolution of Passenger Trains | Strasburg Rail Road
Why They Run Locomotives Back to Back - YouTube
Head-end power
Do trains have engines on both ends? If yes, why do trains have two engines? - Quora
PM at the End of the Steam Locomotive | Steam Train History
Why Do Trains Have Engines on Both Ends? - Train Conductor HQ
Why do some trains have two engines? Do they need the second one for power? - Quora
Locomotive | Definition, History, Design, Types, & Facts | Britannica
Hauling freight trains with electric locomotives is now starting to happen | CBC News
Why do trains have locomotives at the rear end ? – MechStuff
