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

A lot of the engineering decisions that get made in railroading have to do with energy. 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.d... Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-en... Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/ Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME ____________________________________ Website: http://practical.engineering Twitter:   / hillhousegrady   Instagram:   / practicalengineering   Reddit:   / practicalengineering   Facebook:   / practicalengineergrady​   Patreon:   / practicalengineering   SPONSORSHIP INQUIRIES ____________________________________ Please email my agent at [email protected] DISCLAIMER ____________________________________ 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 non-licensed clips used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS ____________________________________ This video is sponsored by Henson. Stock video and imagery provided by Getty Images, Shutterstock, and Videoblocks. Music by Epidemic Sound: http://epidemicsound.com/creator Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source:    • Elexive - Tonic and Energy [Creative Commons]   Video by Grady Hillhouse Edited by Wesley Crump Written and Produced by Ralph Crewe Production Assistance from Josh Lorenz Graphics by Nebula Studios