Cleanup vessels are surrounded by a sheen on the water in the Port of Galveston on Sunday, March 23, 2014, in Galveston, Texas. Dozens of ships are in evolved in clean-up efforts to remove oil that spilled into Galveston Bay after a ship and barge collided near the Texas City dike on Saturday afternoon. ( Smiley N. Pool / Houston Chronicle )

Barge firm faces long legal haul

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The operator of a barge that leaked oil into Galveston Bay after a collision can expect federal fines and damage claims that could climb into the millions.
A ship sits docked along the Houston Ship Channel in Houston on Jan. 30, 2014. (Scott Dalton/Bloomberg)

Busy Houston port needs upgrades to maintain safety

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The energy-led increase in congestion in the Houston Ship Channel highlights the need for more maintenance, dredging, high-tech navigation systems and other improvements to ensure safe travel through the narrow waterway.
Exxon Mobil's Baytown chemical facility (Exxon Mobil)

Exxon Mobil refinery receiving crude shipments again after channel closure

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Exxon Mobil Corp.’s major refinery in Baytown can push its output of refined products back up again after a decline when the Houston Ship Channel closed for three days.
Cleanup vessels are surrounded by a sheen on the water in the Port of Galveston on Sunday, March 23, 2014, in Galveston, Texas. Dozens of ships are in evolved in clean-up efforts to remove oil that spilled into Galveston Bay after a ship and barge collided near the Texas City dike on Saturday afternoon. ( Smiley N. Pool / Houston Chronicle )

How the Galveston Bay oil spill affected gasoline prices

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Nationally, unleaded gasoline sold for an average of just over $3.53 per gallon Tuesday, according to AAA, up less than a penny from the day before the spill.
(AP Photo/The Times, Kyle Telechan)

BP, feds cleaning up oil spill in Lake Michigan

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The London oil company traced the oil leak to a glitch at its 1,400-acre Whiting facility on Monday afternoon. There were no injuries and the crude has stopped leaking, the company said.
A crew makes its way to the shore from the site of the wrecked barge that leaked fuel into the Houston Ship Channel, Saturday, just off of the Texas City dike Monday, March 24, 2014, in Texas City.  ( Karen Warren / Houston Chronicle  )

Houston Ship Channel reopens after oil spill

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The prospect that at least some vessels soon may resume travel through the Houston Ship Channel eased worries that an oil spill Saturday will threaten productivity from area refineries.
Cleanup vessels are surrounded by a sheen on the water in the Port of Galveston on Sunday, March 23, 2014, in Galveston, Texas. Dozens of ships are in evolved in clean-up efforts to remove oil that spilled into Galveston Bay after a ship and barge collided near the Texas City dike on Saturday afternoon. ( Smiley N. Pool / Houston Chronicle )

Exxon Mobil: Ship channel shutdown hitting refinery output (photos)

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The Houston Ship Channel remains closed indefinitely after nearly 170,000 gallons of heavy oil spilled into the Galveston Bay on Saturday afternoon.
Smoke rises from railway cars that were carrying crude oil after derailing in downtown Lac Megantic, Quebec, Canada. The fiery explosion killed at least 47 people in Canada in July 2013. (AP Photo/The Canadian Press, Paul Chiasson, File)

Investigators complete report on Quebec oil-train disaster

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Quebec police have finished and filed with authorities their investigation into the Lac-Megantic train disaster that killed 47 people and prompted backlash against the growing practice of transporting crude oil by rail.
Oil flows out of the top of the transition spool, which was placed into the gushing Macondo wellhead at the site of the Deepwater Horizon oil spill in the Gulf of Mexico in July 2010. AP Photo/BP PLC, File)

Judge rules Anadarko emails don’t show fault in Gulf oil spill

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Anadarko Petroleum Corp. (APC) officials urged BP Plc to drill deeper into the Gulf of Mexico well that caused the worst offshore oil spill in U.S. history even after BP warned that doing so would be unsafe.
Didi Fung, a contractor for the Environmental Protection Agency, collects water samples Feb. 5 from the Dan River.  (AP Photo/Gerry Broome, File)

Regulators say Duke pumped coal ash into river (photos)

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North Carolina regulators say Duke Energy illegally pumped 61 million gallons of contaminated water from a coal ash pit into the Cape Fear River, marking the eighth time in less than a month the nation’s largest electricity company has been cited for environmental violations.