Indeed, he is only talking about the US dealerships.
When you include Canada, Europe, Australia, South America and maybe soon to be announced China markets, you are talking about a much larger magnitude.
With gasoline prices poised to move much higher, all these countries and even the smaller ones will be trying to stretch fuel economy. I've been apprised that muffler companies have been trying to match Aero's technology, but with Aero's patents, they run the risk of international sanctions, if they begin to infringe.