Gas Trakr Keep track of fuel efficiency in miles or kilometres, gallons or litres, MPG or Km/L.

Gas Graph Even if you miss a fill-up or only do partial tanks it will calculate your fuel efficiency and display in Google charts. Works in metric too.

GasRecord Tracking with map views for multiple vehicles in multiple units including lb/CO2/mile. Compare with EPA charts, create PDF reports and share in the cloud and synch with other devices.

Gas Mileage Calculator Calculates gas mileage, your travel mileage, your fill expense and your unit cost.

Gas Mileage Tracker Simple tracking for fill-ups and partial. Multiple currency and metrics coming soon.