The Freightliner Inspiration is the world’s first road-ready self-driving truck, and Daimler let us take a ride in one outside Las Vegas Motor Speedway. Like with many other self-driving vehicles, the ride isn’t too exciting on the surface — that is, until you realize that a 20-ton machine is doing all the driving for you. You wont see these on the road any time soon, but they’ll bring a number of benefits when they get ther