Exhaust
Ventilation
noun, verbal noun
The emitted energy of some machine is exhaust. This can also refer to ventilation. Think of it as air (energy) being emitted so new, fresh air can take its place!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
自動車の排気ガスの臭いが好きなのは、私達の共通点ですね。
Liking the smell of the automobile exhaust is something we have in common.