To control air pollution, various strategies can be employed. It may be employed at the source thereby leading to a reduction of emissions at the first stage itself or it may be in the form of an intermediate process modification or at the third stage which disperses or effectively traps the emissions.
Some of these control measures are-
Selecting the right fuel- By using environment friendly fuels such as CNG, Bio-diesel etc. the emissions can be reduced.
Control equipments are used in industries to reduce emissions. Settling chambers, scrubbers and electrostatic precipitators are commonly used. Catalytic converters can be used in automobiles.