It depends on how much gas you use per mile.
Is that domestic or industrial use
$2.56 per gallon
Oxygen.
6.1 miles per us gallon
18-25 Cents Per Hour at 350
Up to 1,000,000 BTU INPUT per HR after this a boiler would be required
31,500 Kwh (UK) per annum
1 gallon per hour (average)
5 cuft per hour and its measured in btus
It depends how many people you are living with, how often you use it and how much you use I pay on average 100gbp per month.
US average in 2007 was about 980 therms per year per customer.