Question

Which of the following will not be effective in reducing air pollution?

• A. Use of solar energy
• B. Use of CNG
• C. Use of electric cars
• D. Use of petroleum-based vehicles

Answer 1

The correct option is D Use of petroleum-based vehicles

Air pollution can be reduced by the following methods:

(i) Use of electric cars - They run on electricity and do not emit any smoke, therefore create no direct pollution.
(ii) Using solar energy - It is a non-polluting and non-depleting source of energy.
(iii) Use of CNG as a fuel - It is a cleaner fuel than petrol and diesel because of its lower carbon content. It releases lesser harmful emissions.
(iv) Usage of public transport - It reduces the overall pollution caused by number of private vehicles on road.