Car production is a part of the technological development. Make the walk, but it has serious disadvantages, is causing pollution air side by car exhaust, it will leave out a lot of smoke. Which it consists of smoke. Carbon compounds of lead. Monza engines outside and sulphur dioxide. These gases affect the respiratory tract of humans, we directly until may result in serious loss of life. When the project first got through the consideration of the Government. On Tuesday 13 September 2011 and make people buy more cars, causing gridlock problems and there are also an increasing number of those toxic people sitting on the bus or live in the neighbourhood of that row is found with severe air pollution problems refuses style.