How are Amtrak passenger trains powered?

Did you know that Amtrak trains running along the Northeast and Keystone corridors are powered by an overhead wire system called a catenary system? The catenary system provides electrical power to these trains, allowing them to move quickly up and down the corridor.



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Did you know that Amtrak trains running along the Northeast and Keystone corridors are powered by an overhead wire system called a catenary system? The catenary system provides electrical power to these trains, allowing them to move quickly up and down the corridor.

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All train service on these tracks is powered by diesel locomotives. Amtrak's operations are highly dependent on fossil fuels. Train operations account for 82% of Amtrak's carbon footprint and of that percentage; 65% is attributed to diesel fuel.

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Today's train locomotives are already quite fuel efficient, especially compared to trucks. In fact, trains can haul one ton of goods an average of more than 480 miles on just a single gallon of fuel, making them 3-4 times more fuel efficient than trucks.

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These new bus companies have doubled their trips since 2010 and now serve nearly every major U.S. city. Trains are the next best choice, particularly the Amtrak. Though service is notoriously slow, the Amtrak gets 56 mpg per passenger.

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Their speed, however, will be limited by the complexities of the 457-mile route, which is old, curvy and carries a mix of freight, commuter and intercity trains. Most Amtrak trains travel between 110 mph to 145 mph in the corridor, depending on the track and proximity to stations.

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For as long as there have been railroads, locomotive changes have been essential to the officials of the railroads, so that a locomotive could be exchanged for the rest of the trip to the next locomotive changing facility or the destination of the train.

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Amtrak operates passenger trains across a national system consisting of three service lines: Northeast Corridor (NEC), Long-Distance and State-Supported.

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Throughout Amtrak's history, the company has never turned a profitable year, but seemed to be demonstrating greater economic viability before the COVID-19 pandemic.

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Amtrak tickets tend to be higher than air fares if you book a roomette or bedroom as the price includes meals and private accommodations. However, Amtrak coach seats are often cheaper than coach seats on a plane, especially if you purchase tickets in advance.

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Many of the lines don't make any money or are operated at a loss. To accommodate the money-losing routes, Amtrak uses profits from its popular lines, such as the Northeast Corridor. Since this is one of the most popular routes, Amtrak can charge higher prices and send those profits to other, less profitable lines.

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Conductors and engineers sleep at home or at a hotel at their away terminal. The operating crew of a train in the US can only be on duty for 12 hours and then must be relieved.

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A train engine requires about a hundred litres of fuel to get it started. So it wouldn't be economical if the engine is stopped and started frequently. This apart, if the engine is stopped, the moving parts' lubrication will also come to a halt.

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That should not happen, but if it does, engines are sent from the nearest terminal to pull the train to where it can be refueled, assuming it is not in a place where a fuel truck could reach it.

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While the US was a passenger train pioneer in the 19th century, after WWII, railways began to decline. The auto industry was booming, and Americans bought cars and houses in suburbs without rail connections. Highways (as well as aviation) became the focus of infrastructure spending, at the expense of rail.

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The numbers for high-speed rail can vary anywhere from 20 to 80 million per mile. The big reason why America is behind on high-speed rail is primarily money. We don't commit the dollars needed to build these systems, it's really as simple as that.

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