Display the ratio of alcohol/gasoline prices for flexible fuel cars...
Most flexible fuel cars present a 70% ratio between gasoline and alcohol fuel economy. Displaying this number on the fuel prices screen would allow drivers to better decide between which one of the fuels to use.
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Anonymous commented
This is a simple code to be add to the app. This is useful not only to the Brasilians users of Waze but too the Americans that have the options to use the E85.
In the case of Americans, the ratio to be used to take the decision is 66% insted the 70%( the right value is 68%) in Brasil.
For tests the ratio would be only between ethanol and gasoline(for simplicit). In the future there could be a checkbox in which users would choose which fuels would be compared (useful for CNG users as well)