SI Engines - What are the main emissions? What are
engine manufacturers doing do reduce engine emissions?
Stacey Warren - Expert brainly.com
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si engines spark ignitor to ignite the compresed petrol....in this case fuel is compresd,ingitd n the presure creatd by burng causes the engine to wrk...
first of all in si engine petrol is not burnt by by pressure it is burnt by spark caused by spark plug.
emissions include compounds of SOx COx .
proper timing for spark , timing for valve opening and closing,piston and engine design, as well as engine cooling, etc are the item taken in consideration for reduction of emmision
Good answer @akashay045 and I might add that the petrol is not compressed either. Well not in the conventional sense. It is injected into the chamber in a somewhat aerosol form that is mixed with air and it is the air mixture that is compressed not the petrol. Sorry to pick apart your answer @pkjha3105. Nothing against you, just trying to improve the over-all response to the asker. Your input is appreciated. :)