U.S. natural gas futures closed at the highest level in more than 13 years, reaching prices not seen since before the shale revolution unlocked the nation’s vast reserves of the fuel.
 
Gas in New York settled up 5.8% Monday, with colder-than-usual Spring weather across the northern U.S. expected to divert fuel from storage -- just when inventories are supposed to be refilling. That’s getting traders worried there won’t be enough gas in storage when next winter comes around.
 
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