Maybe they are waiting to see what the cost analysis is before diving into it. Electric vehicles are less effiecient in cold weather, which consumes a good amount of our year. The regen breaking should help with city traffic.

I work for for a government agency and during the pandemic when we tried to get free hand sanitizer from the feds to give to the public, they sent us expired product. Due to the laws we had to pay to discard it due to the quantiy of it. Sometimes free isn't always better.