LifeLemons@lemmy.ml to Greentext@sh.itjust.worksEnglish · edit-21 month agoMuricalemmy.mlexternal-linkmessage-square491fedilinkarrow-up11arrow-down10file-textcross-posted to: [email protected]
arrow-up11arrow-down1external-linkMuricalemmy.mlLifeLemons@lemmy.ml to Greentext@sh.itjust.worksEnglish · edit-21 month agomessage-square491fedilinkfile-textcross-posted to: [email protected]
minus-squareTheButter_ItSeeps@lemmy.worldlinkfedilinkarrow-up0·1 month agoI feel like ‘total mass being moved’ is irrelevent if most of that mass is useless (car motor/metal frame/plastic/etc). Even if a car motor was more efficient per kg, most of the work is wasted on moving the actual car itself, regardless of the passengers & cargo. Bikes clearly use less energy to displace ‘useful mass’ than a car, so they are more efficient in that sense.
I feel like ‘total mass being moved’ is irrelevent if most of that mass is useless (car motor/metal frame/plastic/etc).
Even if a car motor was more efficient per kg, most of the work is wasted on moving the actual car itself, regardless of the passengers & cargo.
Bikes clearly use less energy to displace ‘useful mass’ than a car, so they are more efficient in that sense.