In misc.consumers.frugal-living Shaun Eli wrote:
IF YOU HAVE A NATURAL GAS DRYER DO NOT VENT INSIDE THE HOUSE as exhaust
gases are part of what's vented, and the carbon monoxide will kill you.
You will die and there will be nobody there to fold your dry clothes.

A properly adjusted natural gas dryer should not be producing
carbon monoxide. I still would not recommend venting it indoors,
but CO should not be an issue.

Bill Ranck
Blacksburg, Va.