Buy a new car.
Any plants that are in the house will help freshen the air.
Yes.
You don't.
Service or replace the engine. A vehicle does not emit much smoke if it is in good condition and running properly.
Yes
The hypothesis could be: "If a public vehicle belches a mass of smoke, then it is likely not operating efficiently and may be causing harm to the environment."
it is mainly consist of carbon monoxide
Not all of the time Black smoke is usually excess fuel, blue smoke is usually excess oil and white smoke is usually engine coolant. So my guess is your vehicle has fuel injection or carburetor problems.
Smoking in a private vehicle is not illegal unless it causes you to drive without due care and attention. From October 2015, it will be illegal to smoke in a vehicle when there are children present. It is illegal to smoke in commercial vehicles, except for lorries.
if there is white smoke ur vehicle is either burning oil or it is moisture in the gas chamber
a method of separation purify water
the smoke is probly actually blue but appears to be white blue colered smoke is oil burning after vehicle sits oil drips into the cylinders from the valve guide seals causing it to burn and smoke upon start up of vehicle