Average US household gas expenditure was nearly $3,000 in 2012, i.e. 4% of household income.
A 10% saving of fuel consumption literally saves $300.
The Eco Navigation App aims at providing fuel efficient route, based on a Trip-based Vehicle Fuel Consumption and Emission Model by researchers from University at Buffalo, State University of New York.
The fuel estimation is comparable to the state-of-the-art Motor Vehicle Emission Simulator (MOVES) by United States Environmental Protection Agency (EPA).
9/6/2013 add navigation support. However, user has to set the green route manually, because Google direction does not support custom route at the moment,
8/19/2013 check the device compatibility of google play services
8/14/2013 enable address autocomplete