jeffw@lemmy.world to Technology@lemmy.worldEnglish · 22 hours agoBarcelona is turning subway trains into power stationsgrist.orgexternal-linkmessage-square23fedilinkarrow-up1115arrow-down12
arrow-up1113arrow-down1external-linkBarcelona is turning subway trains into power stationsgrist.orgjeffw@lemmy.world to Technology@lemmy.worldEnglish · 22 hours agomessage-square23fedilink
minus-squareJasonDJlinkfedilinkEnglisharrow-up1·5 hours agoOnly because of the speed of the train. Fuel spent accelerating to later brake is wasted fuel. More efficient would be spending only enough fuel to come to a full stop without braking.
Only because of the speed of the train. Fuel spent accelerating to later brake is wasted fuel. More efficient would be spending only enough fuel to come to a full stop without braking.