Tag: only-high-grade
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Full of hot air: Helium producers eye Canada as U.S. reserve shrinks
By Rod Nickel MANKOTA, Saskatchewan (Reuters) – An approaching squeeze in U.S. helium supplies has producers of the gas, used in everything from party balloons to magnetic resonance imaging (MRI) machines, looking north to Canada's wheat fields. Almost three quarters of U.S. helium demand is filled by an underground reserve in Amarillo, Texas. In April,…