Gas Savings Calculator (com.briges.gascalc) on Google Play
This app is to help anyone looking for a new vehicle. If you want to see how much money you would save monthly and yearly by increasing your MPG, then this app is for you. Just enter your current MPGs, what your new vehicles MPGs would be, how many miles you drive a week and use the slider to the percent of highway/city miles you drive. Then the app will do the rest. Enjoy!