"Chao said she was "very concerned" about the potential impact of automated vehicles on employment. There are 3.5 million U.S. truck drivers alone and millions

"Chao said she was "very concerned" about the potential impact of automated vehicles on employment. There are 3.5 million U.S. truck drivers alone and millions of others employed in driving-related occupations." that is really the hardest point, when you are trying to reduce unemployment like Trump is.