 Most production is concentrated in the states of São Paulo, Minas Gerais and Paraná.The automotive industry in Brazil boomed after ex-president Fernando Collor de Mello opened up the market in 1990, but high production costs, high taxes and technology deficits are barriers that Brazil is still struggling to defeat.Brazil’s automotive industry has been displaying impressive two-digit growth over the last years, totaling revenues over USD 100 billion by the end of 2010.