Using his personal Twitter account, Trump has publicly thanked Walmart, among other companies, for their plans to increase investment and job creation. It's not yet clear how his tweets may affect company decision making.
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Ed Welburn, vice president of General Motors Global Design, stands with the Buick Riviera concept as it makes its North American debut at the North American International Auto Show in 2008 in Detroit.
John F. Martin/Courtesy of General Motors
Mark Rosekind, administrator of the National Highway Traffic Safety Administration, speaks Wednesday during a news conference on Takata air bags in Washington, D.C.
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Chris Valasek (left) and Charlie Miller talk about hacking into vehicle computer systems during the Black Hat USA 2014 hacker conference in Las Vegas last August.
Cars drive past the Kremlin along the Moscow River last December. Foreign automakers had been ramping up production in Russia, but the country's economic woes have caused car sales to drop sharply. Several foreign automakers have cut back production, and General Motors is pulling out of Russia.
The 2002 Honda CR-V is one of dozens of car models subject to a recall for faulty air bags. The air bag manufacturer, Takata, supplies bags for more than 30 percent of all cars and is one of only three large air bag suppliers.
Insurance Institute for Highway Safety/AP
Models abound at this week's Shanghai auto show. This one, in a latex cat suit, was drawing attention to an SUV by Landwind, a Chinese company that sells about 10,000 vehicles a year.