A city in Brazil advertises itself as the environmental capital. Curitiba, a city with a population of 2.3 million people, with the Principal cars per head is higher than other cities but the fuel consumption and air pollution 25% to 30% lower. This is caused by the use of a bus that runs faster, cheaper, and more comfortable than cars. Buses carrying people together efficiently with modern subway, but at a cost of only 3 percent and can carry more than 900,000 people a day.
