Sam Brownback actually said...

OK. So your distinction is based strictly upon the physiology of the actual cell, and it is not on any, 'We think there's an important devel...

I think that is, you know, a point that there is some concern about, that that could slip to a further period of time.

If we were to increase the CAFE limits, there's no doubt that brings an environmental and a greenhouse-gas benefit.

I think there are things that we can do to positively affect our net national carbon emissions.