Control of automobile air pollution can be done by all except:

$\text{Correct option: }$ D

$\text{Solution: }$ 

$\text{Option (A) }$

$?$Biogasoline or biopetrol is a type of gasoline that is produced from algae biomass. 

$\text{Option (B,C) }$

$?$Controlling the use of vehicular pollution by using the CNG that is cleaner fuel as compared to diesel or petrol. 

$?$The separation of pollutants which involves the efficient use of sulphur free and lead free fuels in automobiles. 

$?$The use of electrostatic precipitators (ESPs) stands for electrostatic precipitator, which is used as the separator device that allows the separation of particulate matter from polluted air. 

$\text{Option (D) }$

$?$The population should avoid using separate and individual vehicles. 

$?$Instead, we should always prefer using bicycles or public transport for reducing pollution. 

Hence, the correct option is (D)