exhaust gas
the gaseous exhaust products of an IC engine, containing in general CO2, CO, O2, N2 and water-vapour, offgas produced during combustion processes discharged directly or ultimately to the atmosphere, atmosfääri paisatav gaasiline heide. H. tekib peaasjalikult kütuste põletamisel (ka sisepõlemismootorites), samuti tootmisprotsessides.
