not logged in (Login or Register)

Frequently Asked Questions

  • How is the gas saving amount calculated?
    It's based on the round trip distance of your trip, the average 20mpg mileage, and the corresponding average gas price of the state of origin.

  • How is the CO2 amount calculated?
    The United States Environmental Protection Agency (EPA) estimates that driving 1 mile at the average 20mpg generates about 1 pound of CO2 in emissions. See the EPA Emissions Calculator.

  • What are you doing with my email address and street addresses?
    We NEVER, EVER sell or share your addresses with ANYONE. Your email address is hidden from everyone and we facilitate initial anonymous email communication on your behalf. Your street address locations are only displayed as balloons on the map with your permission; they are not printed anywhere.