Difference between revisions of "Locomotive"
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==Steam locomotives== | ==Steam locomotives== | ||
{{See also|Steam engine}} | {{See also|Steam engine}} | ||
| − | [[File: | + | [[File:Steam locomotive.jpg|thumb|100px|Steam locomotive]] |
In the 21st century, steam locomotives are rarely used in commercial service because of their high operating costs but preserved examples can still be seen on heritage railways. | In the 21st century, steam locomotives are rarely used in commercial service because of their high operating costs but preserved examples can still be seen on heritage railways. | ||
Latest revision as of 20:40, December 12, 2017
A Locomotive is a machine used to haul a train. In the 19th century, locomotives were powered by steam. During the 20th century, there was a transition from steam to electric and diesel power.[1]
Diesel locomotives
- See also: Diesel engine
Major manufacturers of diesel locomotives in the United States include Electro-Motive Diesel and General Electric.
Electric locomotives
- See also: Electric motor
The Pennsylvania Railroad was a major user of electric locomotives until 1949 but then switched to diesels because they were more economical. In Europe, electric locomotives are still widely used.
Steam locomotives
- See also: Steam engine
In the 21st century, steam locomotives are rarely used in commercial service because of their high operating costs but preserved examples can still be seen on heritage railways.