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A '''Locomotive''' is a machine used to haul a [[train]]. In the 19th century, locomotives were powered by [[Steam engine|steam]]. During the 20th century, there was a transition from steam to [[electric]] and [[diesel]] power.
A '''Locomotive''' is a machine used to haul a [[train]]. In the 19th century, locomotives were powered by [[Steam engine|steam]]. During the 20th century, there was a transition from steam to [[electric]] and [[diesel]] power.<ref>http://www.etymonline.com/index.php?term=locomotive</ref>
==References==
<references />
[[Category:Railroads]]
[[Category:Railroads]]