tandem trikes / motorised tandem trikes
Bambuk is the specialised brand for motorised tandem trikes.
In that configuration, both have a somewhat recumbent position and the trike is especially sturdy and strong. The electric support helps the riders to counter the heavier trike and also be able to go uphill.
Bambuk offers a motorised, recumbent tandem trike. This is a heavy trike for slow and comfortable rides along well built out flat paths.
Besides, Bambuk also offers a quad.