Question

How can pollution by auto exhaust be minimised?

Answer 1

by using catalytic convertor

Answer 2

pollution  by auto exhaust can be minimised by taking following steps

1) lead free petrol be used to reduce the load of lead in the air.

2) Use of multipoint fuel injections engine in place of carburater and diesel

3) Use of CNG in place of petrol and diesel.

4) use of catalytic converter in the vehicles.