@[email protected] to Electric [email protected] • 11 days 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-square7fedilinkarrow-up1181arrow-down11cross-posted to: [email protected]
arrow-up1180arrow-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.com@[email protected] to Electric [email protected] • 11 days agomessage-square7fedilinkcross-posted to: [email protected]
minus-square@copdlink9•edit-211 days 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-square@Daughter3546link1•11 days 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?si=TtPisNI8ZMjoPBMZ
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?