charles wrote:

Dave Plowman wrote:

If I spent my working day sitting on top of a clattering
vibrating diesel, I'd welcome some peace and quiet with lunch.

they might need the engine on to run the radio?

And the on-board CCTV cameras, oyster card machine, free WiFi,
advertising screens, lighting, GPS that monitors for speeding or missing
stops and updates the scheduled arrival boards and bus-tracking phone
app ...