You don't.
oxygen
oxygen
The smoke will go through the tube and who ever has the oxygen will be breathing smoke. Also, the oxygen is highly flammable.
Yes.
no
Oxygen.
The lack of oxygen for pure cunsumption of the fuel. If the fire has enough oxygen for the amount of whatever you are burning, no smoke.
Service or replace the engine. A vehicle does not emit much smoke if it is in good condition and running properly.
Oxygen is consumed and polluted by burning of cigarettes.
Anywhere with oxygen, really.
Yes
Buy a new car.