The unveiling of the Nikola One Class 8 highway tractor prototype - a truck that runs on electricity generated by a hydrogen-powered fuel cell - elicited almost more questions than answers from the trucks drivers, fleet executives, industry experts, and others gathered at the Nikola Motors Co. headquarters facility in Salt Lake City, Utah, last week. On day two of the truck's unveiling, Nikola's executives, engineers, and designers, along with experts from its partner companies, offered a "deeper dive" into the Nikola One. (All photos by Sean Kilcarr/Fleet Owner)