Kenworth Testing Completed http://globenewswire.com/news-release/2017/09/06/1108351/0/en/Capstone-Successfully-Completes-Track-Testing-of-Kenworth-Microturbine-Powered-Hybrid-Electric-Truck.html Capstone Successfully Completes Track Testing of Kenworth Microturbine-Powered Hybrid Electric Truck Bill