B
Well I guess we're, uh, forced to finally, to do a lot about air pollution. I hear that the major automobile manufacturers are looking at nonpolluting cars and low polluting fuels are being experimented with Ethanol and other types of fuels.
A
Yeah, one of the things they asked me to ask you was where you thought the major source was coming from?
B
I, you know, I assume,
A
Or sources.
B
that the major sources are cars and factories.
A
That's what,