An engine running hotter than its ideal temperature emits excessive nitrogen oxide.

Though the Fit was not significantly quieter than the others, its engine emitted a more pleasant, refined sound.

The engine emitted a distinctive background music, a throb that rose to a howl at every downshift.

His engine emits vibrations in car mode that cause mechanical failures in other devices.

In third now, at 100 miles per hour, the engine emitting a high, muted whine.

By the time we reach SoHo, our engine is emitting oily smells and making puzzling sounds.

The greater environmental hazard I suspect is the jet exhaust that the engines emit upon take off.

The engine emitted a loud, steady roar as Weber advanced the throttle.

One reason was that their engines often emitted streams of smoke - showing incomplete combustion - as they passed overhead.

In most circumstances the engine emits no more than a hollow moan.