Things You'll Need:
- Computer
- 5 minutes
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Step 1
Find out how many miles per gallon your car uses. Do this by manually or by using an online calculator like this one
http://www.webwinder.com/wwhtmbin/java_mpg.html -
Step 2
Use your odometer to calculate how many miles round trip to and from work.
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Step 3
Find out how you could get to work using public transportation and calculate the daily cost.
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Step 4
Plug all the information into this calculator
http://publictransportation.org/contact/stories/calculator_08.asp














