No, penelope, I didn't. It was a slip of the brain or fingers. Please read the word as 'ullage'. On the coal question: Australia exports huge amounts of coal and uses various grades of coal in its power stations but I can quite honestly say that in my fifty-odd year sojourn in this country I have never seen coal being burned domestically. It sounds odd, but it's true, although it's impossible for me to say that it doesn't happen.
I am sad about Hershey's practices. I just found out that they source their cocoa from cacao farms that use slave labor. Children are sold to farmers, never paid, are beaten . . . Mars and Nestle are not great, either. However, they promised to stop these practices by 2020. Cadbury for you brits is fine, but Hershey's distributes it in the United States.
[Kaggers] I suppose this is why it's important to check that Incidentally, we're Britons, not 'brits', pfffft. (And Norwegians, Australians, and residents of just about every country in between those two.)