Gasoline or Ethanol Which is Better for Your Car

The engines of cars over 10 years old almost all run on gasoline from petroleum.
With the disadvantages of gasoline, new gasolines with ethanol have been offered, these mixtures of gasoline and ethanol have advantages over gasoline such as better power and less pollution.
Today many manufacturers design their car engines to run on ethanol.
In general, ethanol is cheaper than petroleum for similar applications.