Biology, asked by molu1, 1 year ago

permissible levels of emission of various gases

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Answered by nanivignesh
8
The permissible levels of emissionof various gases in cars will vary according to the make and model of vehicles; different "years" and types of cars will have different criteria when tested by government agencies. 

Exhaust emission tests are designed to measure carbon dioxide, as well as hydrocarbonsand carbon monoxides. Each year any type of car will pass or fail an exhaust emission test, based on certain recommended numbers for that vehicle. 

If a car is well maintained, it may have a better chance of passing an exhaust emission test. As you can see, there is really no hard-and-fast amount of emissions for various gases in cars - what you decide to drive will determine how inspectors rank your vehicle. 
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