On Thu, 7 May 2015 16:01:28 +0100
Mike Bristow wrote:
In article ,
d wrote:
I was wondering this yesterday as I was heading down the hole towards Bank.
If not thats a lot of wasted energy.

Yes, they do. See: http://developments.dlr.co.uk/enviro...bon-footprint/

Interesting. Whats a "low loss" 3rd rail? Is normal 3rd rail high loss?

The supercapacitors in substations sounds a novel idea.

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Spud