As Harvey moved across the Southeast U.S. and weakened to a tropical depression, investors were also eyeing the potential for future disruption from a fresh storm brewing in the Atlantic Ocean.
And another blow came Thursday when Colonial Pipeline announced plans to shut down a key line that supplies almost 40 percent of the South's gasoline.
That marks an additional 3.5 million barrels on top of the 1 million barrels of oil already approved to be released as of Thursday. But because of the storm's effect on Gulf Coast refinery output, some of the gas that would normally come here will be routed elsewhere, squeezing supplies.
Others were seen running at higher rates to boost profitability by filling shortages.
"People are most cognizant of gasoline prices than any other expense", he said.
Concerns over fuel shortages ahead of the U.S. Labor Day extended weekend were also mounting. Futures for October delivery fell 1.8% to $1.7479 a gallon on the New York Mercantile Exchange.
Nationwide, pump prices have surged - the average for a gallon of regular gasoline rose from about $2.35 a week ago to $2.45 now, AAA reported.
Motiva's massive Port Arthur refinery, the largest in the USA, shut down on Wednesday due to "increasing local flood conditions".
Harvey raked across the Texas Gulf coast, roiling global fuel markets as it knocked out about 4.4 million barrels of daily refining capacity, slightly more than Japan uses. The total shut-in is about 24 percent of US refining capacity, nearly equal to Japan's daily consumption.
The profit from turning a barrel of Dubai crude to fuel in Asia has soared to $9.78 a barrel, the most since June 2015, according to data compiled by Bloomberg.
Traders have scrambled to buy diesel from distant markets to avert supply shortages in the United States, Mexico and Brazil.
"Harvey is creating a dual benefit for Asian refiners", said Arun Kumar Sharma, finance director at Indian Oil.
The Asian refining margin on Thursday hit $10.41 a barrel, the highest since January 2016. Prices closed at the highest level in one week.
USA disruptions have hit wholesalers.
"The industry is working to stabilize the supply chain and working with our partners in the retail gasoline business to meet the demands they are experiencing", Staples said.
"It's not a significant problem at the present time, but it could turn into one", said William Fleischli, executive vice president of the Illinois Petroleum Marketers Association, which represents 400 fuel distributors.
But the impact won't last too much longer, he said.
Soaring U.S. gasoline prices mean it is now profitable to send the fuel from Singapore to the U.S. The premium of Gulf Coast gasoline to prices in Singapore, the regional trading hub, surged to $17.76 a barrel on August 30, the most since at least 2011, according to data compiled by Bloomberg.
Her crewmates include Flight Engineer Jack Fischer of NASA and Commander Fyodor Yurchikhin of the Russian space agency Roscosmos. She checked out of the International Space Station just hours earlier, along with another American and a Russian.
Johnson in particular was dynamite September 2, rushing for 132 yards on just 12 carries, one of which was for 50 yards. He may end up turning the Longhorns around and lifting them back to elite status in the college football hierarchy.
The Iraqi Prime Minister has declared victory over the so-called Islamic State in the Iraqi city of Tal Afar. After 12 days of fighting, Abadi announced that Tal Afar had "regained its place in the national territory".
Green Bay Packers quarterback Aaron Rodgers praised Watt's charity and the efforts of the everyday heroes rescuing the victims. The kind of guy who personally delivers pizza to the victor of a Papa John's promotional fundraiser for Watt's Justin J.
Soon after his death, speculation followed saying his was a suicide related to the nefarious Blue Whale Challenge . However, Bora's parents have denied that their son was a victim of the Blue Whale game and suspected a foul play.
Secretary of Defense Jim Mattis later walked back Trump's comment, telling reporters: "We are never out of diplomatic solutions ". They agreed at the unofficial meeting that the missile launches pose a grave and serious threat that can not be tolerated.
Mike Brown , Police chief commented on the incident and said, "I was alarmed by what I saw in the video with our officer". James Tracy to arrest Wubbels for interfering with a police investigation, the Tribune reports.
Garcia, who won a Champions League with Liverpool , talked up the significance of holding onto Coutinho amid Barcelona's interest. The ESPN FC panel discuss whether Alexis Sanchez or Philippe Coutinho will be leaving their respective clubs on Deadline Day.
Osweiler was released by the Cleveland Browns by Friday, despite the $16 million that is owed to him for the upcoming season. Manning took back the starting QB spot prior to the playoffs and helped lead Denver to a Super Bowl title.
McClean knows the importance of getting a better result in that clash, and he made no excuses for Ireland's poor display tonight. They're a lot better than what people think when you look at their results through the group.
She told reporters that the White House would work with the special counsel's office regarding release of the document. The draft letter is allegedly evidence in the investigation into whether Trump obstructed justice by dismissing Comey.
Chelsea wanted €55m for Diego Costa
Costa, 28, is in his hometown of Lagarto in Brazil and is being fined £300,000 for every fortnight of his absence. While Conte remains dismissive in press conferences about his striker, the club have made contrasting noises.
Trump, SKorea's Moon Agree to Boost Seoul's Missile Capabilities
Seoul has aid it wants to increase the cap on the payload - allowing them to have more powerful weapons for any showdown with Kim. Trump has ramped up war talk this year as he promised "fire and fury" and said the U.S. is "locked and loaded" to deal with Kim.
MI surges past Florida, 33-17 in season opener
Ultimately, I like MI because the Wolverines showed an ability to score previous year behind a steady run game and timely passing. He started off the day strong with a lovely 46-yard touchdown to Tarik Black on Michigan's second drive of the game.