(𝐢) Fixed sources: These are fixed or located at specific sites, like industrial units, electric power plants, etc.
(𝐢𝐢) Mobile sources: These include the vehicles and different modes of transport using fossil fuels.
(𝐢) Fixed sources: These are fixed or located at specific sites, like industrial units, electric power plants, etc.
(𝐢𝐢) Mobile sources: These include the vehicles and different modes of transport using fossil fuels.