exhaust
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exhaust
The device on a combustion engine, especially in vehicles, that collects exhaust gases and directs them outward.
Mein altes Auto ist sehr laut, weil der Auspuff ein Loch hat.
My old car is very loud because the exhaust has a hole in it.
The word is made up of 'aus' (out) and 'Puff', an onomatopoeic word for a dull sound. So the 'Auspuff' is literally the part that the engine's 'puff' noises come out of.
Man hört am lauten Geräusch, dass etwas mit dem Auspuff nicht stimmt.
You can tell from the loud noise that something is wrong with the exhaust.
In everyday language, people often talk about problems with the exhaust. Common adjectives are 'kaputt' (broken), 'rostig' (rusty), or 'laut' (loud). A typical problem is to have 'ein Loch im Auspuff' (a hole in the exhaust).
Wegen des rostigen Auspuffs hat mein Auto die Prüfung nicht bestanden.
Because of the rusty exhaust, my car did not pass the inspection.
This word is used almost exclusively in connection with vehicles with combustion engines, such as cars, motorcycles, or mopeds. Exhaust gases come out of the exhaust.
Im Winter sieht man oft weißen Rauch aus dem Auspuff kommen.
In winter, you often see white smoke coming out of the exhaust.
exhaust gas
Both words belong to the area of vehicle emissions, but they do not mean the same thing. „Das Abgas“ is the gaseous product of combustion, whereas „der Auspuff“ is the device that directs this gas outside. Use Abgase when talking about the emitted air, and Auspuff when talking about the vehicle part.
Der Auspuff unseres Autos ist laut und muss repariert werden.
Our car's exhaust is loud and needs to be repaired.
An dieser Kreuzung riecht man die Abgase der vielen alten Autos.
You can smell the exhaust gases from the many old cars at this intersection.
