Last night, Elon Musk unveiled one of his biggest projects yet: a fully electric semi truck, capable of hauling 80,000 at highway speeds for 500 miles without needing to recharge. Powerful, cost efficient, and poised to revolutionize the trucking industry, the vehicle is slated to go into production in 2019. Wired has more to say about the new Tesla lineup here. And this big dude is advertised as going from 0-60 in five seconds, empty. But still, do we really want to share the road with something that big that is that quick?