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Previous issue date: 2015-11-30 === O presente estudo trata de uma an?lise, em car?ter experimental, do consumo de combust?vel de um veiculo flex, operando com diferentes misturas de gasolina e etanol em tr?fego urbano, o que permite obter resultados mais condizentes com a realidade do motorista, haja vista que os ?ndices de consumo aferidos pelo INMETRO n?o levam em considera??o o real cen?rio que a popula??o enfrenta diariamente em seus deslocamentos urbanos, possibilitando assim a escolha mais economicamente vi?vel da mistura gasolina/etanol, acarretando numa redu??o dos custos e, possivelmente, uma diminui??o nos ?ndices de emiss?o de poluentes. Atualmente, os fabricantes de ve?culos flex recomendam o abastecimento com etanol, caso o valor deste n?o ultrapasse 70% do valor da gasolina comum, entretanto, os ve?culos com a tecnologia flex, possibilitam operar com qualquer percentual de mistura no tanque de combust?vel, por?m, hoje, muitos dos propriet?rios desses ve?culos n?o utilizam esse recurso com efici?ncia, por desconhecerem essa possibilidade de mistura ou pela raz?o de n?o existir um estudo mais profundo em rela??o ao percentual ideal da mistura que proporcione um maior rendimento com um custo inferior ao proposto pelos fabricantes. === This study is an analysis, on a trial basis, the fuel consumption of a Flex vehicle, operating with different mixtures of gasoline and ethanol in urban traffic, allowing more consistent results with the reality of the driver. Considering that most owners unaware of the possibility of mixing the fuel at the time of supply, thus enabling the choice of the most economically viable mixing gasoline / ethanol, resulting in lower costs and possibly a decrease in pollutant emission rates. Currently, there is a myth created by the people that supply ethanol only becomes viable if the value of not more than 70% of regular gasoline. However vehicles with this technology make it possible to operate with any percentage of mixture in the fuel tank, but today many of the owners of these vehicles do not use this feature effectively, because they ignore the possibility of mixing or the reason there is a deeper study regarding the optimal percentage of the mixture to provide a higher yield with a lower cost than proposed by the manufacturers.
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