# Comparing Fuel Cost - Natural Gas Vs. Gasoline

### Calculate Your Annual Fuel Savings

In a few simple steps you can use your current energy bill to calculate what your average
annual fuel savings could be if you drove a natural gas vehicle and filled your car at home
with a safe refueling appliance. Some of the details of the calculations can be tricky so we've
provided you with a calculator to make it simple!

Therms Used (from your energy bill):

Cost of Therms (from your energy bill in $):

Average Cost of Gas per Gallon ($):

Average Miles Driven per Year:

Average MPG of Your Vehicle:

### Conversion Statistics

1 Therm = 100,000 BTUs

(U.C. Irvine, Physics and Astronomy)

1 gallon of gasoline = 125,000 BTUs

### Example of fuel savings

- Average gallon of gasoline: $3.48
- Average CNG: approx $1.00/gge
- Savings per gallon: $2.49 per gallon
- Average miles driven per year: 15,000
- Average miles per gallon: 22 MPG
- Average gallons of fuel used: 681

### Estimated annual savings: $1695