CHICAGO (AP) — As piles of snow grow taller during this seemingly endless winter, the mounds of salt for spreading on the nation’s icy, slushy roads are shrinking, forcing communities to ration supplies or try exotic new ice-melting substances.
Cities have already gone through most of their salt well ahead of the time they traditionally really need it — when the coldest part of winter gives way to temperatures just warm enough to turn snow into freezing rain and sleet and roads into ribbons of ice.
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