The running gear of a train plays an important role in fast, reliable, safe, and comfortable rail transport. A novel, future-oriented idea dispenses with continuous wheel axles, each wheel is driven independently and controlled intelligently.The advantages of this approach are that trains could be more efficient and quieter in the future, with less wear and tear on wheels and rails. See https://www.globalrailwayreview.com/news/137567/dlr-present-hi-tech-running-gear-for-the-first-time-at-innotrans/
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