He's come to like that faint smell of French fries as he drives from restaurant to restaurant.

NPR: Biodiesel Enthusiasts Battle for Used Fry Oil

Tyres hang on the wall, rusty chains coil around the place and a faint smell of oil permeates the air.

BBC: Iowa Republican votes still up for grabs

That would also explain the faint smell of Indian food a co-worker thought emanated from my desk as she passed by.

FORBES: Do Men Want A Woman Who Smells Like Barbecue?

Only the chimney on the roof and the faint smell of burnt hydrocarbons betray its status as the centrepiece of Britain's greenest local council.

ECONOMIST: Greenery from the bottom up

Under the perfume, the odor of hospital, fresh paint, and air-conditioning, and the faint cigarette smell of someone who took her habit out to the balcony.

NEWYORKER: Shauntrelle

The sky beyond is washed with strokes of cobalt and cerulean blue, and a faint but perceptible smell of aniseed and wild garlic hangs in the air.

BBC: The three colours of Ibiza