You beat me to it Caledionian Dream. This will probably be led by air quality legislation in cities to begin with. If companies can run trunking changeovers currently, sometimes swapping trailers with another haulier, then they can do the same thing at one of their own depots or another’s yard nearer to a city or town. There are already plans to increase weight limits to compensate for the additional chassis weight of alternative fuel vehicles. A look at the wasted space underneath the average semi trailer offers a possible solution to the range and charging issues.