There was a distinct smell of gas.

有一股明显的煤气味。

《牛津词典》

"At first, I picked an e-bike because I couldn't stand the sickening smell of gas from my scooter." says Zhang Dengming.

“起初，我选用了一辆电动自行车是因为我无法忍受小型摩托车那令人作呕的汽油味。”张登明说。

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I detected a smell of gas.

我察觉到一股煤气味。

youdao

They can also reduce the strong smell of ammonia gas.

VOA: special.2009.09.08

"He remembered the smell of gas, the explosion and the roof collapsing, " Chadwick said.

CNN: 2 missing, 14 hurt in Kansas City gas explosion

Indeed, the smell of gas was very strong in the area hours after the blast.

NPR: Official: Cadaver Dogs Search In Kansas City Blast

"The smell of gas in Israel has driven people crazy, " he says.

WSJ: Big Gas Find Sparks a Frenzy in Israel