Unless they have a very abundant and cheap source of water and energy., it doesn't seem cost effective. The rest of the world spreads salt to lower water freezing point.
Japan uses sprinklers that spray warm underground water to melt snow and ice on the roads.
They can also be used as mist-generating systems to mitigate particulate matter especially PM 2.5–10.
https://video.nostr.build/34223c698a72e4fbdaaf194b01c1b6a40e92736b4cdd732e5b17812f0ab223c4.mp4
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