Several ethane crackers slated to be built on the U.S. Gulf Coast, especially along the Houston-Galveston-Beaumont chemical industry corridor, may face air permitting problems, according to experts. "There are emission regulations around these plants. It could very well limit the number of plants that are built. We don't know that for certain. It is a risk to the forecast" of strong petrochemical expansion in the region, said Mark Chung, manager of natural gas liquids analytics at Bentek Energy.
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