Inter Press Service: Brazil has long been committed to developing alternatives to fossil fuels to power its vehicle fleet, to the extent that 90 percent of new cars sold in the country are flex-fuel, running on ethanol or gasoline in any proportion. Now the government is embarking on another technological field: electric vehicles. The first roadside electric vehicle charging station in South America, installed in the Barra de Tijuca neighbourhood of Rio de Janeiro, was hailed as the first step in that …