Quote:
Originally Posted by tflux
Is this true? Is this common knowledge? I consider myself fairly knowledgeable about cars, but I've never heard this. In fact, I've noticed this smell from other cars and assumed it was "bad", so I kind of try to drive like a gradpa to avoid the rotten egg "bad" smell.
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Yes it is! This is why the Tier 3 fuel sulfur standard reduces other criteria emissions even for existing vehicles. I'm not confident on the exact processes that cause the rotten egg smell, it may also be a byproduct of normal combustion now-a-days?
