When trains with air conditioning break down, or are deprived of their power supply, a frequently heard (and legitimate) passenger complaint is that the atmosphere on board can quickly become oppressive and unpleasant.
This is not an unforseeable scenario.
How hard can it be for contingency plans for some form of ventilation to be built in - or even, in winter, some emergency heating options (a chimney hatch for a pot belly stove is my favourite idea for this so far, but I can see that the technologists might have moved on.....)?
This is not an unforseeable scenario.
How hard can it be for contingency plans for some form of ventilation to be built in - or even, in winter, some emergency heating options (a chimney hatch for a pot belly stove is my favourite idea for this so far, but I can see that the technologists might have moved on.....)?