Then he vanished in a puff of diesel smoke from a passing bus.

With diesel smoke pouring from the exhaust pipe, it slowly rolled toward the helicopter.

In the hot wind, dust and diesel smoke, I let Mali go by.

The bus, just pulling away from the curb, gave a belch of black diesel smoke.

And he was back outside, just in time to be consumed in a cloud of blue diesel smoke from a passing bus.

I turned around one last time and saw the camp covered in a heavy pall of diesel smoke.

The bus pulled away in a cloud of diesel smoke, its door still open.

As he watched, diesel smoke trailed from the stack of the work boat.

After a short wait he noticed a bus heading down the hill trailing diesel smoke.

The passenger from Tampa stood for a few moments, looking around as the bus pulled away in a blast of diesel smoke.