Fog Dispersal systems

Date:         29 May 98 02:44:15 
From:         "Donald Mc Lean" <cowboy@ram.net.au>
Organization: Mittagong Mania - http://www.mitmania.net.au
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Can any reader give me information as to manufacturers, sites, etc where I
can find out about the current progress in development of the 'topic'. I
understand that at Paris CDG propane gas artificial dispersal systems have
operated since the airport was opened. The down side is a thin veneer of ice
on the runway and taxi-ways. I read that a system was being trialed a few
years ago at Milan Malpensa or Linate that used liquid nitrogen, much more
environmentally friendly and apparently did not leave the ice layer.
Question: Where are they at then in all this R&D on fog dispersal at
airports.
cowboy@ram.net.au