Industry conferences and trade shows

Chinese President Xi Jinping is seen on a live broadcast speaking at the media center during the opening of the China International Import Expo in Shanghai, Tuesday, Nov. 5, 2019. Xi promised Tuesday to open China wider to imports and foreign investment at the start of a high-profile trade fair meant to rebrand the country as a global customer and warned against trade protectionism. (AP Photo/Dake Kang)

Kunio Nakaguro, executive vice president for Nissan Motor Corp., speaks during Nissan's presentation of the media preview of the Tokyo Motor Show Wednesday, Oct. 23, 2019, in Tokyo. (AP Photo/Kiichiro Sato)

Demonstrators ride their bikes on a highway in Frankfurt, Germany, Saturday, Sept. 14, 2019. About 20 000 cyclists took part in a protest star ride against the government's transport policy on occasion of this year's IAA Auto Show.(AP Photo/Michael Probst)

German Chancellor Angela Merkel is reflected in a door of a Mercedes during her visit to the IAA Auto Show in Frankfurt, Germany, Thursday, Sept. 12, 2019. (AP Photo/Michael Probst)

Activists of the environment protection organization 'Greenpeace' pump up a giant ballon to protest against climate-damaging cars displayed at the IAA Auto Show in Frankfurt, Germany, Tuesday, Sept. 10, 2019. (AP Photo/Michael Probst)

The 2020 Toyota Highlander is presented at the 2019 New York International Auto Show, in New York, Wednesday, April 17, 2019. (AP Photo/Richard Drew)

The Sylphy Zero Emission, an all-electric model designed for China is displayed at the Nissan booth during the Auto Shanghai 2019 show in Shanghai on Tuesday, April 16, 2019. Automakers are showcasing electric SUVs and sedans with more driving range and luxury features at the Shanghai auto show, trying to appeal to Chinese buyers in their biggest market as Beijing slashes subsidies that have propelled demand. (AP Photo/Ng Han Guan)

FILE - In this April 25, 2018, file photo, a visitor takes a closer look at the Sylphy Zero Emission during the start of the Auto China 2018 in Beijing, China. The 2019 Shanghai auto show highlights the global industry's race to transform electric cars into a profitable product Chinese drivers want to buy as Beijing winds down multibillion-dollar subsidies that made this country the biggest market for the technology. (AP Photo/Ng Han Guan, File)

The New car Bugatti La voiture Noire is presented during the press day at the '89th Geneva International Motor Show' in Geneva, Switzerland, Tuesday, March 5, 2019. The 'Geneva International Motor Show' takes place in Switzerland from March 7 until March 17, 2019. Automakers are rolling out new electric and hybrid models at the show as they get ready to meet tougher emissions requirements in Europe - while not forgetting the profitable and popular SUVs and SUV-like crossovers. (Martial Trezzini/Keystone via AP)

This undated conceptual drawing provided by The Boring Company shows a high-occupancy Autonomous Electric Vehicle (AEV) that would run in a tunnel between exhibition halls at the Las Vegas Convention Center proposed for Las Vegas. Entrepreneur Elon Musk's dream of a tunnel transit system may finally become a reality in Las Vegas. Tourism officials in Sin City announced Wednesday, March 6, 2019, they might soon grant him a contract to build and operate a mile-and-a-quarter-long project with autonomous electric vehicles to move people around a mega convention center. (The Boring Company via AP)