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? Submitted by Protoflare t3_11ck5es on February 26, 2023 at 3:38 PM in askscience 47 comments 336
WulfRanulfson t1_ja6ur42 wrote on February 27, 2023 at 7:26 AM Petrol fuel is not just hydrogen and carbon, it comes from crude oil which is decomposed organic material. This material contains all sorts of compounds including Sulphur, benzene, hydrogen sulfide, various metals. Permalink 2
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