A
Um, yeah, yeah, I hate to see a car going down the street, or even a truck or bus for that matter, that's putting out a lot of dark --
B
Uh-huh.
A
-- smoke, and I know there's a lot of pollutants we can't even see coming out of --
B
Right.
A
-- cars, but that, that particular bothers me.
B
Well, most, most, most of the time when you see bus, uh, you know, the busses with the diesel --