Reducing air pollution (summer exam)

Question 1

Sulphur dioxide can be reduced by:
Using low-sulphur fuels

Answer 1

Just needa know youfeelme?

Question 2

Oxide of nitrogen can be reduced by:
Converting this into less harmful gases using a catalytic converter in cars

Answer 2

Just needa knwo yafeelme

Question 3

Using more electric vehicles
Using energy efficient vehicles so less fuel is combusted