Station Wagon Effect

[Woody]

There are two threads going on running with Canvas up. Of course CO becomes a topic again. Uplate posted a link to a small CO detector
http://www.detectcarbonmonoxide.com/about.html

that site had some links I checked out. Here is a real illustation of the station wagon effect

 

[Stray Cat]

Just think where the CO2 is going if that sliding cabin door is open. Good illistration.