"Edward Mills" <spam@hotmail.com> wrote ...
> It's rather obvious that he was
> laughing at the "blue coal" commercial, and thought it great fun that
> people used to use coal to heat their houses. 

'/used/ to use' ?
 
> I'd like to zip that guy back to the middle ages and introduce him to the
> concept of sleeping on urine drenched straw to keep warm!!! Grrrrr!!!!

Sounds like a rural legend to me.