The largest problem is the dangerous amount of nitrogen oxide (which mixes with vehicle-exhaust gas to create ozone, and then smog) coughed out by the state's industrial plants.

ECONOMIST: The Lone Smog State

It wheezed and coughed and then eventually lay on its side and surrendered, blinking at me.

NEWYORKER: Naima

We waited through the long silences and then nodded when he coughed, in collegial approval.

NEWYORKER: Midnight in Dostoevsky