In the United States, engineers offered to equip trains with batteries

Freight trains in the US are still diesel-electric because the country is more difficult

electrify lines over railwayspaths due to huge distances. In diesel-electric trains, the engine is connected to an alternator, which supplies electricity to electric motors connected to the locomotive's axles. Therefore, converting trains to battery power due to the presence of an electric motor seems feasible. The recent sharp decline in battery prices is also promoting the electrification of freight trains.

Trains play an important role in transportation in the United States, especially heavy freight such as coal, timber and ore.

New battery trains will always be able touse a diesel engine as a backup fuel source. Historically, diesel-electric trains were used in the United States as power generators during emergencies. In early 1998, ice storms left over a million people without electricity in the northeastern United States and parts of Canada. In one suburb of Montreal, the mayor relocated an entire diesel-electric locomotive to the mayor's office to provide residents with electricity in an emergency. With the rise in extreme weather and power outages, battery-powered trains can be used to avoid blackouts.

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