Dual mode Locomotive- The future of Railways

Almost everyone traveled by train and in few countries like India, it is the lifeline of long distance travel. You must saw that locomotive of the train is either diesel or electric. But do you know, one more type of locomotive is there which have both diesel and electric engine in it.

Is the working of diesel and electric locomotive same?

Locomotive engines are the most important thing in railways. Normally there are 3 types of locomotives. They are steam, diesel and electric locomotive engines. Diesel and electric engines are mostly used by railways. Without diesel or electric power, engines don’t work. But do you know, the working principle of both the locomotive engines is same?