public double CalcularEtanol(Combustivel combustivel)
{
//etanol
return(combustivel.Etanol(combustivel.CustoEtanol, combustivel.KmEtanol));
}
public Double CalcularGasolina(Combustivel combustivel)
{
//Gasolina
return(combustivel.Gasolina(combustivel.CustoGasolina, combustivel.KmGasolina));
}