Berkshire has drawn some criticism for supplying billions of dollars to 3G Capital, a Brazilian investment fund, to finance the purchases of H.J. Heinz Co. and Kraft Foods, which were merged into Kraft Heinz Co. After taking over, 3G’s managers replaced top executives and eliminated thousands of jobs.

Union Pacific appears set to break a two-year streak of falling shipments, as more expensive natural gas has boosted demand for train-hauled coal at the nation’s electric utilities. The Omaha-based employer of about 8,000 in Nebraska is scheduled to report first-quarter earnings Thursday.

GRAETTINGER, Iowa (AP) — Authorities said three tanker cars of ethanol remained in a rural creek three days after a fiery train derailment in northwestern Iowa. Environmental specialist Amber Wolf with the Iowa Department of Natural Resources said Monday the fire finally went out midday Sund…

The Omaha-based railroad, which employs about 8,000 people in Nebraska, said it placed 3,300 employees on furlough and its total workforce is down about 5,800 people from a year ago to a quarterly average of 43,053, including a 22 percent reduction in train and rail yard employees.

The annual Railroad Days festival celebrates all things trains at the Durham, Lauritzen Gardens, RailsWest Railroad Museum, Union Pacific Railroad Museum, Historic General Dodge House and, new to the event this year, Lewis & Clark National Historic Trail Center at the National Park Service building on the Omaha riverfront.

Rodolfo Quiles sued Union Pacific in U.S. District Court in Omaha last week, saying the company is in violation of the Uniformed Services Employment and Reemployment Rights Act. The U.S. Labor Department, the suit says, investigated the matter and found that the complaints lodged by Quiles had legal merit. The railroad says the lawsuit is baseless.

Oil is often transported in trains with as many as 100 tank cars at a time. At least 27 oil trains have derailed in the United States and Canada in the past decade, often leading to fiery explosions and extensive environmental damage. Local authorities have complained that they’ve been unable to obtain information or there have been delays in obtaining information from railroads.

The Omaha-based employer of 8,000 Nebraskans said that so far in second quarter, volume is down 14 percent. U.P., the nation’s second-largest railroad by ton-miles, made the forecast at a conference in Boston. It predicted freight volume for 2016 would be down by a percentage in the mid-single digits.

According to Calli Hite, a Union Pacific spokeswoman, five cars of the train derailed at about 7 p.m. near 10th Street and Interstate 80. Nobody was injured, Hite said, and no hazardous materials were involved.

Shares of the company were up about 5 percent in midday trading on news of the personnel reductions and an efficiency charge. The share momentum came even as Omaha-based Union Pacific, the second-largest U.S. railroad behind Berkshire Hathaway-owned BNSF, said Thursday that first-quarter freight volumes fell for a fifth straight quarter.

Trains would have to carry a minimum of two crew members under rules proposed Monday by federal regulators. The move is partly in response to a deadly 2013 crash in which an unattended oil train caught fire and destroyed much of a town in Canada.

The Federal Railroad Administration routinely applies only modest civil penalties for hazardous materials safety violations, even though inspectors request penalties for serious or repeated infractions, said the report by the Department of Transportation’s inspector general.