A
So, you would,
B
But diesel engines.
A
Yeah, diesel engines.
B
It, you know, it's, it, I mean, they do generate a lot of soot but that at least, that kind of particulate comes out of the air pretty quickly.
A
Yeah. Yeah. We could also, uh, push for legislation for, uh, rapid transit systems. This country seems to be a little behind on that.
B
Yeah. On the other hand most people don't use rapid transit because it's so inconvenient.