compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons
permission to use only pure diesel with a maximum of 500 ppm sulphur as fuel for vehicles
use of non-polluting compressed natural gas (CNG) only as fuel by all buses and trucks
compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel
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Solution and Explanation
To control air pollution Government of India has taken some steps. According to Motor Vehicles Act, 1988 petrol driven vehicles are needed compulsory PUC (Pollution Under Control) certificate for low emission of carbon-monoxide and hydrocarbons.
The pollution that directly harms living organisms is the atmospheric pollution, air is more essential than food when it comes to the survival of life on earth. Atmospheric pollution is, consequently, a major concern for life on the planet. The most common type of air pollution that affects much of the world is Smog (smoke + fog).
Pollution is the outcome of undesired changes in the environment with harmful effects on plants, animals, and humans. The element that causes pollution is commonly known as pollutants.
Pollutants may be solids, liquids, or gases that are present in large quantities in nature and produced due to human activities or natural circumstances.
For instance, materials such as dichlorodiphenyltrichloroethane (DDT), heavy metals, chemicals, plastic materials, nuclear waste, etc., once disclosed to the environment it is difficult to remove.
Causes of Atmospheric Pollution:
There is a number of factors that contribute to the pollution of the environment. Some of the major causes of atmospheric pollution are given below -