I am not sure of the current mechanism, but I know the UK has "coin" systems for gas ( heating ). So you would buy a coin, put it into your meter at home, and g

I am not sure of the current mechanism, but I know the UK has "coin" systems for gas ( heating ). So you would buy a coin, put it into your meter at home, and get a certain amount of gas. This is, of course, tailored at the poor.