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　　Owning a car is seen as a desirable option to many. However, mass car ownership clearly has a number of undesirable consequences for the environment and community life generally.

　　It is true that owning an affordable and reliable vehicle enables people to be more self-reliant, which means people are granted the flexibility of autonomous travel without worrying the deficiency of public transport. / Today, there are different types of automobiles catering to the requirements/ of the users. With the arrival of the automatic transmission, driving the ca'r has become easier for the public. People can travel at extremely fast speed and are also nimble in the busy city traffic. Apart from cutting the travel time, cars also express the individuality of their owners.

　　Nevertheless, the increasing car use has resulted in traffic congestion in the city. Easy availability of loans has allowed people to buy more than one automobile for their family. Since the construction of roads usually has not kept pace with the number of vehicles produced and sold, the whole transport system has suffered and further pressure has been put on the environment.

　　Excessive cars on the roads are causing pollution in the form of vehicle emissions. Cars emit greenhouse gases, such as carbon dioxide, which contribute to global warming. Some air pollutants and particulate matter from cars can be deposited on soil and surface waters where they enter the food chain. These substances can affect the reproductive, respiratory, immune and neurological systems of animals. Nitrogen oxides and sulfur oxides are major contributors to acid rain, which changes the PH of waterways and soils and can harm the organisms that rely on these resources.

　　In spite of the fact that there is much that can and should be done to discourage unnecessary car use, cars are still essential modes of transport. The fast pace of technological advances has compelled scientists to design vehicles that would be running on clean and pollution less fuel in the future. Hybrid cars that are under production symbolize the respect for the environment.