JacobCoffinWrites@slrpnk.net to Electric Vehicles@slrpnk.net · 4 months agoCaltrain announced that regenerative braking on the new trains is generating and sending back to the electric grid approximately 23% of the energy consumed by the systemwww.caltrain.comexternal-linkmessage-square7linkfedilinkarrow-up1182arrow-down11
arrow-up1181arrow-down1external-linkCaltrain announced that regenerative braking on the new trains is generating and sending back to the electric grid approximately 23% of the energy consumed by the systemwww.caltrain.comJacobCoffinWrites@slrpnk.net to Electric Vehicles@slrpnk.net · 4 months agomessage-square7linkfedilink
minus-squarecopd@lemmy.worldlinkfedilinkarrow-up9·edit-24 months agoCabin climate and lighting, especially in warmer contries must be a good 10-20% of energy usage. But yeah a lot of energy is wasted into heat, the London underground is a perfect case study on it
minus-squareDaughter3546@lemmy.worldlinkfedilinkarrow-up1·4 months agoI am now genuinely curious about the challenges of insulating things underground. Do you know a good article or a study that I can read?
Cabin climate and lighting, especially in warmer contries must be a good 10-20% of energy usage. But yeah a lot of energy is wasted into heat, the London underground is a perfect case study on it
https://youtu.be/Y8RfeAmLfn8
I am now genuinely curious about the challenges of insulating things underground. Do you know a good article or a study that I can read?