Transportation

Motorists wait to cross the Croatian border from Slovenia, at Bregana border crossing, western Croatia, Saturday, Dec. 19, 2020. Balkan citizens going home from Western Europe for holidays have created huge traffic jams at border crossings despite coronavirus restrictions meant to discourage travel for Christmas and the New Year. Huge lines of cars have formed on the borders between Slovenia and Croatia as well as Hungary and Serbia as thousands of people waited for hours Saturday to cross. (AP Photo)

FILE - In this Wednesday, Dec. 11, 2019 file photo, a United Airlines Boeing 737 Max airplane takes off in the rain at Renton Municipal Airport in Renton, Wash. Boeing improperly influenced a test designed to see how quickly pilots could respond to malfunctions on the Boeing 737 Max, and Federal Aviation Administration officials may have obstructed a review of two deadly crashes involving the plane, Senate investigators say. In a report released Friday, Dec. 18, 2020 the Senate Commerce Committee also said the FAA continues to retaliate against whistleblowers.(AP Photo/Ted S. Warren, File)

FILE - In this Friday, Oct. 16, 2020 file photo, Hungary's Prime Minister Viktor Orban arrives for an EU summit in Brussels. A senior legal adviser said Thursday, Dec. 3, 2020 that the European Union's top court should reject Hungary's attempts to overturn a European Parliament action aimed at holding the country to account for what lawmakers consider to be a breach of the bloc's values. (Olivier Hoslet, Pool via AP, File)

FILE - In this Dec. 22, 1988, file photo police and investigators look at what remains of the nose of Pan Am 103 in a field in Lockerbie, Scotland. The Justice Department expects to unseal charges in the coming days in connection with the 1988 bombing of a Pan Am jet that exploded over Lockerbie, Scotland, killing 270 people, according to a person familiar with the case. (AP Photo/Martin Cleaver, File)

FILE - In this Dec. 22, 1988, file photo police and investigators look at what remains of the nose of Pan Am 103 in a field in Lockerbie, Scotland. The Justice Department expects to unseal charges in the coming days in connection with the 1988 bombing of a Pan Am jet that exploded over Lockerbie, Scotland, killing 270 people, according to a person familiar with the case. (AP Photo/Martin Cleaver, File)

Traffic moves slowly along W. Market Street in Pottsville, Pa., as the snow begins to fall with Winter Storm Gail on Wednesday, Dec. 16, 2020. (Jacqueline Dormer/Republican-Herald via AP)

This undated photo released by AERIAL PHOTOGRAPHER SG shows the Singapore-flagged oil tanker BW Rhine. The BW Rhine suffered an explosion early Monday, Dec. 14, 2020 after being hit by "an external source," off Saudi Arabia's port city of Jiddah, a shipping company said. The apparent attack on the oil tanker marks the fourth assault targeting Saudi energy infrastructure in a month. (Tommy Chia/AERIAL PHOTOGRAPHER SG via AP)