Introduction: The invention of the automobile has brought more positive and negative effects than any other invention throughout transportation history. Transportations have changed the way people live all over the world. Automobile companies have created numerous jobs all around the globe. Automobiles have affected all aspects of society such as family life, the economy, and even the environment. The advancement of automobiles over time has directly affected the advancement of society as a whole. Society relies intensely and increasing on private motorized transport, vehicles are expected to become safer, more luxurious and powerful. These expectation, however do not take into account of the ensuring consequences such as greater emissions of air pollutants and greater exposure of people to hazardous pollution that causes serious health problems. All the evidence points to the magnitude of these adverse effects on health and to the need to identify solutions that both reduce risks to health and meet the requirement for mobility. This creates a major challenge to the governments, public health organizations, environment authorities and most importantly to the design engineers. Automotive emission related air pollution must be reduced before its effects on health can …show more content…
In automobile an exhaust gas is emitted during a combustion process. The exhaust gas is actually a combination of many different gases such as N2, CO2, H2O and O2. Though some are harmless, there are few that are harmful and are considered major pollutants. The major pollutants are Hydrocarbons (HC), Nitrogen oxide (NOx), Carbon Monoxide (CO), Sulfur dioxide (SO2), etc. These gases can affect human health in both short and long term. Gases like Carbon Monoxide have the potential to kill people if taken in large concentration. The consequences of these pollutants in human health are