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Associated Press Photo / Jose Luis

This Feb. 15, 2018, file photo shows a Ford logo on a vehicle at the Pittsburgh Auto Show in Pittsburgh. (AP Photo/Gene J. Puskar, File)

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FILE - In this March 23, 2018 file photo provided by KTVU, emergency personnel work a the scene where a Tesla electric SUV crashed into a barrier on U.S. Highway 101 in Mountain View, Calif. The test results by AAA released Thursday, Nov. 15, 2018, come after several highly publicized crashes involving Tesla vehicles that were operating on the company's system named "Autopilot." The National Transportation Safety Board is investigating some of the crashes, including the March fatality that involved a Model X that struck a freeway barrier. (KTVU via AP, File)

FILE - In this Tuesday, April 10, 2018, file photo, a high school principal displays vaping devices that were confiscated from students in such places as restrooms or hallways at the school in Massachusetts. The Food and Drug Administration is planning on requiring strict limits on the sale of most flavored e-cigarettes, including age verification controls for online sales, in an effort to curtail their use among children and teenagers. FDA officials tell The Wall Street Journal on Thursday, Nov. 8, the actions are expected to be announced as early as the following week. (AP Photo/Steven Senne, File)

FILE - This June 1, 2017, file photo shows a Walmart store in Hialeah Gardens, Fla. Ford and Walmart are partnering to test a self-driving grocery delivery service. Ford will work with Walmart to determine what goods it can feasibly transport and figure out what issues may need to be addressed to successfully deliver orders via self-driving vehicles. (AP Photo/Alan Diaz, File)