Christiana trike from Practical Cycles in Lancaster. Facebook post picked up by Velo Vision.
GreenerLeith may have lowdown on this.
Leith Community Crops in Pots is the organisation using pedal power to shift loads.
http://www.leithcommunitycropsinpots.com/
From Facebook...
Welcome to our new team player, the crops community green machine!! This vehicle will be used for community compost collection, for taking children to the croft for green education, plant deliveries, and in general spreading the low carbon joy wherever we go! Leith getting more Copenhagen by the minute :)))