prohibitive

The council also said the capital cost of reinstating the school buildings and the funding per pupil, which is the highest in Pembrokeshire, were prohibitive.

"Borders are not prohibitive for them at all. They will exploit any vulnerability," she said.

Given the distances, the cost of delivery would be prohibitive for the person ordering, and too much for the outlet providing the food to waive.

"For the US to now impose prohibitive tariffs that effectively shut these countries out of the market goes against the very development path it once prescribed," Prof Anner said.

For domestic users, the most basic package costs $60 a month - and crucially no prohibitive up-front payment - making solar power more accessible.