Steps taken by the Government of India to control air pollution include

Options

A. Compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel
B. Compulsory PUC (Pollution under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons
C. Permission to use only pure diesel with a maximum of 500 ppm sulphur as fuel for vehicles
D. Use of non-polluting compressed Natural Gas (CNG) only as fuel by all buses and trucks

Answer

D

Explanation

Air pollution problem in Delhi become so serious that public interest litigation was filed in Supreme Court of India. Supreme Court directed the government to take appropriate measures including switching over the entire fleet of public transport i.e. buses from diesel to compressed natural gas.