A lot of the engineering decisions that get made in railroading have to do with energy.

How does the rolling resistance of a 20ton freight railcar compare to my little grocery hauler?

1977 Resistance Report: https://railroads.dot.gov/sites/fra.d...

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This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All nonlicensed clips used for fair use commentary, criticism, and educational purposes.

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Source:    • Elexive  Tonic and Energy [Creative ...  
Video by Grady Hillhouse
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Written and Produced by Ralph Crewe
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