Why a petrol car started early in the morning emits water along with exhaust?

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  1. yograj yog profile image80
    yograj yogposted 4 years ago

    Why a petrol car started early in the morning emits water along with exhaust?

  2. Allofher Skills profile image60
    Allofher Skillsposted 4 years ago

    Water is a byproduct of combustion. The air coming from the engine is super heated and the exhaust system is significantly cooler relatively, and so the air condenses on its way through the system. Water and steam from the tailpipe is normal and to be expected when temperatures drop.

    1. yograj yog profile image80
      yograj yogposted 4 years agoin reply to this

      Then why a diesel car does not emit water in the same way?

    2. Allofher Skills profile image60
      Allofher Skillsposted 4 years agoin reply to this

      Kerosene, diesel, and, as you asked about, petrol all involve different mixes of hydrocarbon chains which change based on temperatures. Is it possible you just never noticed it before with the diesel? Are you sure it is water. Does it smell sweet?

 
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