How about a battery electric cargo bicycle? Like a Tern GSD ($$$) or Radwagon ($)?
The tern gsd can carry 180 kg of cargo and has detachable batteries, so that at least gives you the option of bringing extra batteries for long range. Or haul people or wheat.
The tern gsd can carry 180 kg of cargo and has detachable batteries, so that at least gives you the option of bringing extra batteries for long range. Or haul people or wheat.