| Evaluating NG Fuel Costs |
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= user input
values |
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| Cost of
NG ($/therm) |
$ 1.02 |
Note: Data from home gas bill; 1 therm = 100
standard cubic feet |
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| BTU per
therm |
100000 |
Note: 1000 BTU/scf x 100 scf/therm |
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| BTU per
gge |
115000 |
Note: This is BTU energy content of gallon of
gasoline |
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| Cost of
NG ($/gge) |
$ 1.17 |
Note: This is the cost for NG for the
equivalent energy in a gallon of gasoline |
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| Cost of
Gasline ($/gal) |
$ 1.75 |
Note: Cost of gasoline at the station |
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| MPGGE
for NG |
21 |
Note: User input. Some studies show 5% decline
in efficiency for NG v. Gasoline |
| MPG for
Gasoline |
22 |
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| $/mile
for NG |
$ 0.056
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| $/mile
for Gasoline |
$ 0.080
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| Miles
traveled/yr |
10000 |
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| Savings/yr |
$ 236.88 |
Note: Fuel savings for using NG fuel. |
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