What were old trains powered by?

On February 21, 1804, British mining engineer, inventor and explorer Richard Trevithick debuted the first full-scale working railway steam locomotive in the Welsh mining town of Merthyr Tydfil. Following that debut, locomotives have been powered by a myriad of fuels, including wood, coal and oil.



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From about 1905 through to the mid 1920s, steam-driven dynamos in head-end baggage cars were the established method to provide electric lighting on passenger trains. Axle generators were first developed in the late 1880s, and the design for early axle generators continued to improve.

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The volume of water expands as it turns to steam inside the boiler, creating a high pressure. The expansion of steam pushes the pistons that connect to the driving wheels that operate the locomotive. Coal or oil are the fuels used for heating the water (coal is shown in the diagram).

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Steam-Powered Its prototype was first introduced in the mid-1700s, and in the early 1800s, it had been connected with locomotives and became a driving force for the golden age of the train. Steam-powered locomotives would be the main power source for nearly 100 years until diesel took over.

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Steam Powered (1920s-1930s)

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Diesel electric, electricity or steam power are the three major fuels used by trains. As it was in various other sectors, steam power was also used in the beginning days of railroads. The development of diesel-electric and electric technology for power led to their popularity in the early 20th century.

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Though the earliest steam-powered locomotives first pulled wagons full of coal, they would soon be engineered to accommodate their first passengers. The steam-powered locomotive gets its fuel from burning combustible materials—like coal, wood, and oil—to produce steam.

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In 1802, Richard Trevithick patented a high pressure engine and created the first steam-powered locomotive engine on rails.

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Electric railways began in Great Britain in 1883 and the first EMU ran on the Liverpool Overhead Railway in 1893. In the early 20th century, systems were developed where all the motors on a train could be controlled by a low voltage signal from any cab.

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Ever since the discovery of the dynamo-electric principle by Werner von Siemens in 1866, one had therefore tried to utilize electric motors for transportation purposes. And with success: on May 31, 1879, Siemens & Halske presented the world's first electric train in which power was supplied through the rails.

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Biodiesel & Renewable Fuels: Traditionally, locomotives have run on petroleum diesel fuel, but railroads are now using renewable diesel and biodiesel blends to power them. Both renewable diesel and biodiesel are made from renewable energy sources and don't rely on fossil fuels.

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Before the air brake, railroad engineers would stop trains by cutting power, braking their locomotives and using the whistle to signal their brakemen. The brakemen would turn the brakes in one car and jump to the next to set the brakes there, and then to the next, etc.

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In rail transport, dieselisation refers to the replacement of the steam locomotive or electric locomotive with the diesel locomotive (usually the diesel-electric locomotive), a process which began in the 1930s and is now substantially complete around the world.

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