This, in turn, induces the synthesis of a number of enzymes viz. Hire Writer Another way the mercury makes it way into the environment is during the process of melting the vehicles in steel furnaces where the mercury vaporizes into the air.
A notification had been issued by the Ministry under the Environment Protection Act,on 2. Tighter emission standards for vehicles at the manufacturing stage, notified by the Ministry of Surface Transport, have come into effect from 1.
The Indian cities with a population of more than one million people with high vehicle population and the cities in which prescribed standards are violated in one or additional parameters in 72 non-attainment cities, which require actions for vehicle pollution control ahead of the rest of the country.
Indian cities have different climatic conditions, human population, different vehicle population density and source of pollution.
Electric vehicles do not require tune-ups or oil changes.
The most popular catalysts for vehicular exhaust emission control platinum and palladium. These compounds immediately dissociate into nitrate, nitrite and protons so that nitrate and nitrite accumulate in mesophyll cells of treated plants.
Bad quality fuel leads to gum deposits on the engine which can clog up the carburetor passage and disturb the air-fuel ratio, thus leading to improper combustion. The problems of automobile pollution mentioned above are only a small oration of the pollution problems we face from automobiles.
The use of non-noble metal based catalyst makes the device cost-effective and lead tolerant as compared to the noble metal based catalytic converters. The following legislative coverage are being practiced to regulate vehicular pollution in India: In National Environmental Research Institute, Nagpur India has developed a non-noble metal based, two-way catalytic converter technology for the control of exhaust emissions from petrol driven vehicles.
Among them the effect of auto-emission on plants and human health is most predominant. The catalytic converter consists of a ceramic honeycomb support coated with a perovskite type catalytic housed in a suitable designed non-corrosive metallic housing.
This would eliminate all of the pollution problems. During idling and at slow speeds the greatest emission is of carbon monoxide and hydrocarbons. How to cite this page Choose cite format: To obtain the mass of exhaust emission from a vehicle, it is necessary to measure the concentration of the pollutants in the exhaust and the mass flow of air through the engine.
There is wide range of techniques which can be applied to the intake system, the combustion chamber and the exhaust systems of petrol and diesel engines to reduce exhaust emissions Fig.In the past century, the automobile has come a far way from Henry Ford's Model T.
In the United States there has always been a high demand for cars, and with that demand comes the need for speed, and a need to have the best.
And that is what major automobile industries have been giving our society /5(3). Essay on the Impact of Automobile Pollution: Automobile pollutants have multiple effects on various environmental variables (Table ).
Among them the effect of auto-emission on plants and human health is most predominant. Cars make up approximately 87% of the total motor vehicle annual production in the world. In there were 52, passenger cars produced in the world. In there were 41, passenger cars produced in the world. Emissions from an individual car are generally low.
However, emissions from millions of vehicles on the road [ ]. Reasons for Automobile Pollution The petrol driven vehicles emit invisible gases such as CO and Benzene while diesel driven vehicles emit mainly black smog containing minute carbon particles and S The main reasons for vehicular pollution problems are as follows- 1.
Automobile Air Pollution Efforts to improve the standard of living for humans, through the control of nature and the development of new products have also resulted in the pollution of the environment. Automobile Pollution. Automobiles can cause many different kinds of pollution in the environment.
Air, health and groundwater pollution are of the most common.Download