Kirsten: Who is the initial customer for this? And specifically, maybe where are they? Is it California? Is this related to the car rules that are coming for trucking? But then also, what are the kinds of routes? I mean, again, you're talking about a platform that someday will scale to lots of things. You hit it right on the head. So in California, there is a tremendous amount of pressure to decarbonize these trucking fleets, especially in Southern California. The big challenge is that there's like all this pressure being put on these large fleets that operate between 2000 and one of our customers operates 117,000 trailers across the United States.