[Erlich_Bachman]

> A trailer can spends days to weeks and even a month in a yard waiting for a tractor

Imagine what a similar investment in a stationary solar panel in that same yard would yield, a panel that will charge 100% of time.

[hourislate]

>Imagine what a similar investment in a stationary solar panel in that same yard would yield, a panel that will charge 100% of time.

That will have to be rolled out by the yards not the manufacturers of trailers. Trailers are leased as very few companies buy them.