Which Is Easier To Pull? (Railcars vs. Road Cars)

From “Practical Engineering”. ( YouTube / Nebula )

A lot of the engineering decisions that get made in railroading have to do with energy.
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How does the rolling resistance of a 20-ton freight railcar compare to my little grocery hauler?

1977 Resistance Report: https://railroads.dot.gov/sites/fra.dot.gov/files/fra_net/15925/1977_RESISTANCE%20OF%20A%20FREIGHT%20TRAIN%20TO%20FORWARD%20MOTION.PDF

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This video is sponsored by Henson.
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Music by Epidemic Sound: http://epidemicsound.com/creator
Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License
Source: https://www.youtube.com/watch?v=U6fBPdu8w9U
Video by Grady Hillhouse
Edited by Wesley Crump
Written and Produced by Ralph Crewe
Production Assistance from Josh Lorenz
Graphics by Nebula Studios