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trapperjohn3400 t1_ja7n8o7 wrote

Reply to comment by KingSpork in If the fuel that goes in car engines is extracted from hydrocarbons, which consist of only Hydrogen and Carbon, and those hydrocarbons react with Oxygen in the air (combustion reaction), to produce CO2 and H2O, why do we get a bad smell from car exhaust fumes if both gases are odorless? by Protoflare

Yes it could vary from a light, sweet smell, to a horrible acrid smell. But they were all quite smelly. It made driving in stop and go traffic in a city very, very unpleasant.

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