The FB thread I was following mentioned there are only 10 of them; a fact Wiki confirms (yeah, I know, it's Wiki). Last status on the Wiki page was sold to Mid-Atlantic, then IP. With the 2 in Torrington apparently toast, that leaves 8 potential.
I could see them in use on the Northport scoot. Maybe Port Jeff if there's enough. During the time I was living out east, the scoot used 2 ML's; not sure what the total service required for use, three or four sets?