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The most polluted city in the world is :...

The most polluted city in the world is :

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The News items in each the question given below is to be classified one of the following four areas New Delhi the Capital of India is the most polluted city in the world when it comes to air quality.

In 1990s, Delhi ranked 4^(th) among the most polluted cities of the world. But now air aqulity of Delhi has significantly improved manily by switching vehicles from diesel to CNG. a. Expand CNG. b. CNG is better than diesel .Comment .

In 1990s Delhi ranked 4th among the most polluted cities of the world. But now, air quality of Delhi has significantly improved mainly by switching vehicles from diesel to CNG. (a) Expand CNG (b ) CNG is better than diesel. Comment

With its very large population of vehicular traffic, Delhi is one of the most polluted cities of the world. Which of the following steps were taken by the government to reduce vehicular pollution in Delhi ? (i) Switching over the entire fleet of public transport i.e., buses, autorickshaws, from diesel to CNG (ii) Phasing out of old vehicles (iii) Use of unleaded petrol in vehicles (iv) Use of low sulphur petrol and diesel in vehicles (v) Use of catalytic converters in vehicles (vi) Application of stringent pollution level norms for vehicles such as Euro-II norms, etc.

With its very large population of vehicular traffic, Delhi is one of the most polluted cities of the world. Which of the following steps were taken by the government to reduce vehicular pollution in Delhi ? (i) Switching over the entire fleet of public transport i.e., buses, autorickshaws, from diesel to CNG (ii) Phasing out of old vehicles (iii) Use of unleaded petrol in vehicles (iv) Use of low sulphur petrol and diesel in vehicles (v) Use of catalytic converters in vehicles (vi) Application of stringent pollution level norms for vehicles such as Euro-II norms, etc.