Well, they need to be near a water supply…for water we have to pay for…and those vans dont run on fresh air do they, so a regular supply of free diesel helps them as its not too far away when its dark. 
Well, they need to be near a water supply…for water we have to pay for…and those vans dont run on fresh air do they, so a regular supply of free diesel helps them as its not too far away when its dark.