Steam trains vs diesel trains • English Conversation Questions

What are the main differences between steam trains and diesel trains?
What were the advantages and disadvantages of steam trains compared to diesel trains?
Why did steam trains eventually get replaced by diesel trains?
What impact did the introduction of diesel trains have on the railway industry?
Are there any countries or regions where steam trains are still in use today?
How did the transition from steam to diesel trains affect railway workers and their jobs?
What are some notable historical events or milestones involving steam trains or diesel trains?
What advancements in technology have been made in diesel trains compared to steam trains?
Are there any enthusiasts or preservation efforts dedicated to keeping steam trains operational?
How do steam trains and diesel trains differ in terms of speed and efficiency?
What impact do diesel trains have on the environment compared to steam trains?