In rural Japan, battery-powered trains emerge as cost-effective, eco-friendly alternative
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Railway operators in rural Japan are replacing diesel-guzzling trains with new battery-powered rolling stock, taking advantage of the low-maintenance, environmentally friendly modern technology to cut costs and emissions.
East Japan Railway Co. began using battery-powered trains on the Oga Line in Akita Prefecture in March, following a similar change on the nonelectrified Karasuyama Line in Tochigi Prefecture. Kyushu Railway Co. has also been using battery-powered trains on a nonelectrified section of the Chikuho Line in Fukuoka Prefecture.
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Battery-powered trains reduce carbon dioxide emissions by 60 percent compared with diesel engine trains and require lower operational costs because they have no transmissions or engines which are made up of myriad moving parts and require constant upkeep.
A high school student who commutes on the Oga Line said the battery-powered trains were “cleaner and quieter” than diesel trains. Riding on them is “more enjoyable,” she added.
Locals are hoping that the positive image of battery-powered trains will also attract more tourists to the region.
Of the Japan Railway group lines, which stretch about 20,000 km across the country, 40 percent are not electrified, meaning that on those sections, diesel or battery-powered rolling stock are required.
Battery-powered trains have their limits, however.
Given their current capacity, they can transport passengers only up to around 25 km on one charge. To run further, they need special charging stations.
Although the introduction of battery-powered trains costs less than electrifying a railway line, the length of each line is a consideration when deciding if the trains are suitable, said Masashi Tonosaki, an East Japan Railway official.
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