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Is that.. a battery tram?
There's a similar system for buses in Geneva. The bus recharges for 20 seconds while the passengers get off and on during stops.
https://www.tpg.ch/en/about-us/tpg-today-and-tomorrow/innovation#tosa-technology+flash-recharges
Thanks for the link :)
I had heard of battery busses but never battery trams... It feels so weird to do, if you're already committing to a rail system, is a third rail or over head cabling that much more of an investment? That tram has a battery that'll need replacing at some point and I am really curious when the cost of replacing batteries will over take cost of a third rail/pantograph system.
This is genuine curiousity, not me just ragging on battery tech
Budgets are also not always logical. Reducing upfront costs could mean success in approval/completion even if maintenance costs more.