Ward Diesel Filter's NO SMOKE exhaust removal system now provides clean emissions on-scene. ... nuisance soot from the hospital and emergency personnel as well as patients.

Many problems that cause white exhaust smoke can also lead to soaring engine temps, and the damage caused by this can sometimes be very costly and irreversible. 4:39. Related.

You never want to see white smoke coming from your exhaust. However, if it does happen, it's a good idea to get the problem taken care of as soon as possible.