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English
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New sources of crude oil from North Dakota, Texas, and western Canada have induced new routes for shipping crude oil to U.S. and Canadian refineries. While pipelines have traditionally been the preferred method of moving crude overland, they either are not available or have insufficient capacity to move all the crude from these locations. While rail has picked up some of this cargo, barges, and to a lesser extent tankers, also are moving increasing...
Language
English
Description
Increased oil and gas production presents challenges for transportation infrastructure because some of this increase is in areas with limited transportation linkages. Technology advancements such as horizontal drilling and hydraulic fracturing (pumping water, sand, and chemicals into wells to fracture underground rock formations and allow oil or gas to flow) have allowed companies to extract oil and gas from shale and other tight geological formations....
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