What's mostly to blame, on modern cars at least, are systems that ignite
unburnt fuel in the exhaust systems to try and warm up the catalytic converters as quickly as possible.
Not exact matches
all the carbons and
unburnt fuel that we are putting
in the atmosphere thru exaust.
In addition, while in valve float, crossflow can result in backfires and / or afterburning, and possibly unburnt fuel getting to the catalytic converte
In addition, while
in valve float, crossflow can result in backfires and / or afterburning, and possibly unburnt fuel getting to the catalytic converte
in valve float, crossflow can result
in backfires and / or afterburning, and possibly unburnt fuel getting to the catalytic converte
in backfires and / or afterburning, and possibly
unburnt fuel getting to the catalytic converter.
If your car has bad coils resulting
in unburnt fuel, this can ruin a cat, hence how they are related.
This reduces the final compression temperature
in the combustion chamber, which also reduces the risk of
unburnt fuel and «engine knock».
«
In the past we cut the
fueling during shifts, because you don't want a load of
unburnt fuel being fired into the catalytic converters.
Because the burning of the
fuel is never 100 % efficient, trace amounts of pollutants including
unburnt carbon are produced
in the form of fine particulates (soot), hydrocarbon gases and carbon monoxide.