The viable business ideas ranged from highly advanced water meters to de-icing wind turbines.
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George Best Belfast City Airport had to close twice to allow for snow clearing and de-icing.
British Airways reported that de-icing of planes, not snow, was causing some problems for its flights.
The airport had earlier warned it expected to close for the day because of a shortage of de-icing fluid.
While backup generators were on hand in some places, generators had to be brought to storage areas for fuel and de-icing fluid.
There are also some delays and cancellations at London City Airport, where the runway was closed for de-icing for an hour in the morning.
BBC: Heathrow cancels flights and transport is delayed by snow
He said the airport was preparing ahead of the next snowfall and the arrival of a new de-icing sprayer should speed up the clearance of the runway.
This includes a rigorous de-icing process for aircraft and runways as well as a fleet of giant plows that follow the TV 2000 to clear the snow blown off runways.
During winters in the state of Alaska and Pacific northwest, the cost of operations rose significantly due to additional expenditure on airplane de-icing, frequent flight cancellations and accommodation costs of displaced passengers.
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After the runways were closed for de-icing, the airport extended the length of time between flights for safety reasons, primarily because there was a knock-on effect of flights being delayed at other airports.
BBC: Heathrow cancels flights and transport is delayed by snow
On a given week, May says, he or his ATA lieutenants interact with the departments of Commerce, State, Treasury and Homeland Security on items as broad as the Western Hemisphere Travel Initiative to minutiae on the environmental aspects of de-icing fluid.
What can be said with very little doubt is that, once this cluster of cold winters has finished, we will have another lengthy run of mild and rainy ones, and if we spend piles of cash on snowploughs and de-icing equipment, we may come to regret it.
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