Emitting

There's a volcano emitting masses of smoke in Iceland.

Source: tatoeba (275999)

The motor overheated and is now emitting smoke.

Source: tatoeba (4445259)

When the experimental antigravity aircraft flew over the town, emitting downward thrusting pulse waves, everyone immediately below involuntarily emptied their bladder.

Source: tatoeba (6620504)

Then about 2.3 to 2.5 billion years ago, during the Proterozoic Eon, blue-green algae called cyanobacteria, living in Earth’s shallow oceans, began emitting enough oxygen through photosynthesis to create the permanently oxygenated atmosphere that keeps us alive today.

Source: tatoeba (11119114)