Fuelio - Track your fill-ups, fuel consumption, fuel costs and save money.
GasBuddy - GasBuddy lets you search for Gas Prices by city, state, zip code, with listings for all cities in the USA and Canada. Updated in real-time, with national average price for gasoline, current trends, and mapping tools.
Car Report - Car Reports lets you enter refuelings and other income and expenses of your cars and displays nice reports.
My Car - The application allows you to quickly and easily manage the traffic of your cars.
PetrolSpy - Search user-reported petrol prices in , , , , , , and by the map, postcode or suburb
Mileage - A Mileage tracker for an Android-based phone.