The average national price for regular gasoline has surged since the U.S. and Israel attacked Iran in February, reaching $4.52 a gallon as of May 10.

“After extensive review, the FAA approved Boeing’s protocol for safely returning MD-11 airplanes to service,” the agency said May 11 in a statement.

Forward Air Corp. noted first-quarter headwinds, plus the loss of a major portion of business, while reporting financial results May 7.

That shortfall in supply is being met by companies and governments dipping into storage, with stockpiles running dangerously low, Saudi Aramco CEO Amin Nasser said.

Brent crude, the international standard, gained 3.5% to $104.88 per barrel.

The total for repeatedly escorting commercial shipping in and out of the Gulf would add billions to the price of the conflict.

While adapting to shifting emission regulations, equipment manufacturers are balancing investments in both diesel engine platforms and emerging powertrains.

Even if movement is restored, “the vase has been broken. You can’t glue it back together,” chief Fatih Birol said.

Morgan Stanley says a closure into late June "is the regime in which Brent flat price has to do work it has so far been able to avoid,” referring to futures.

Aramco's East-West Pipeline across Saudi Arabia to the Red Sea is operating at its maximum capacity of 7 million barrels of oil a day.