mr. samuelson.t time the subcommittee held a hearing on the topic was in 2013. that's going on ten years ago. and at that time, atvs were still considered a technology of the future. but today there is at least 1400 including automatic commercial vehicles being tested on u.s. roadways in 36 different states. what do you think is a realistic timeline for the deployment of your technology specifically vehicles with level four automation and above and what can americans expect, when can americans expect to see the vehicles driving on the roads next to them? >> madam chair, i'm happy to jump in and then deeper to my colleagues on the panel here. i think as a baseline matter, we see this technology on the roads today as you noted. one of the most important things to see this technology scale, and again it is as noted being used in pilot projects carrying freight and helping to alleviate the crisis that we face as well as other instances where the technology is one example in arizona providing meals to in