"Engine exhaust" refers to the gases and fumes that come out of a vehicle or machine when its engine is running.
Sentences with «engine exhaust»
And it's more than a greenhouse gas problem — engine exhaust particles could increase warming by some 17 - 78 percent, the researchers say. (sciencecodex.com)
In four - stroke engines the exhaust ports are generally opened just prior to bottom dead centre piston position, thus giving a maximum expansion ratio. (mechanics.stackexchange.com)