We have no meanings for "upgrading plants" in our records yet.
1 That would leave the multibillion-dollar upgrading plants less able to compete with shale oil.
2 But it takes years to build upgrading plants .
3 Then it must be processed by upgrading plants into light oil that can be fed into refineries.
4 However, some upgrading plants have already been delayed or shelved due to spiraling costs and a tight labor supply.
5 The Company operates integrated phosphate mining and processing facilities, as well as a number of smaller upgrading plants in the United States.
6 Rather than spend money on upgrading plants , the majors have been looking to sell them or turn them into fuel import terminals.
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