Gasoline, diesel, electricity?Considering how many miles your car gets and the current price of each fuel, Gas-o-eta indicates which option is more economical, so you can run more with less.The initial configuration allows you to compare the main fuel options and uses the average ratio between gasoline and diesel: the efficiency of diesel is 25% more than that of gasoline. However, it is possible to register the real autonomy of each fuel for your vehicle, to obtain more accurate results. It is also possible to register different fuels or sources and even different profiles, in order to use Gas-o-eta with any of your vehicles, in any region.This is the free of charge version, with ads. Buy the regular version with no ads: http://market.android.com/details?id=org.evertree.gasoeta