The first self-driving vehicle you see may have 18 wheels

Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev.Photo By Daimler Trucks North AmericaFreightliner unveiled its Inspiration self-driving truck during an event at the Hoover Dam Tuesday, May 5, 2015, near Boulder City, Nev. href='http://www.chron.com/business/technology/article/Daimler-s-self-driving-big-rig-makes-big-entrance-6246578.php' - http://www.chron.com/business/technology/article/Daimler-s-self-driving-big-rig-makes-big-entrance-6246578.php -