Mikä on Brasilian suurin kaupunki?
iron, vehicles, soybeans and footwear. Priority sectors of the economy include: 84% of the country's electrical energy is produced by hydropower. Brazil is the world's first leading producer of biofuels, but competition has risen to threaten its position in the 21st century. Ethanol is produced as biofuel from sugar cane. It is mandatory to mix it with gasoline, and the mixing ratio has increased over the years. As the price of fossil fuels has fallen, it has been difficult to keep ethanol competitive, and the ethanol industry has been struggling since 2009. Brazil has over four thousand airports. Most international flights depart from Rio de Janeiro or São Paulo. All major population centers in Brazil are connected by paved roads, but the smaller roads are often unpaved. The railways are mainly in São Paulo and
São Paulo