It checks how much pollution in puts out
none.
The production of one new car can produce between 6 and 8 tons of carbon dioxide emissions, depending on the size and type of vehicle. Additional pollutants, such as volatile organic compounds and nitrogen oxides, are also emitted during the manufacturing process.
if u mean wat it is, a cat is to filter out how much pollution the car can produce. if u want to knoe where its located, its under the car that is bolted in with the headers
None
Electric cars are consider "green" because they don't produce pollution.
It leaked oil
Because the wind may carry the pollution from elsewhere
If you put pollution in a box it is 2 litres
for exaple one can of 330ml.
A lot because of Tokyo JApan
Making Jewels don't create much pollution as compared t other pollution sources... It creates many gases when melted,heated as well as freezes.It is a unpopular source of pollution