[Cleaner air] has been a pretty clear directive from our elected leaders and our customers. We know that our car-crazed culture contributes to [air pollution] in a big way.

We are all shopping in the same stores, so if someone hoards the toilet paper, there's less for us.

Prices are going to be very volatile. Our natural gas immune system has been compromised, so to speak. When it gets very cold in New England, we're going to see a much higher price spike in California than we might have without Katrina.

We are hoping this is real wake-up call so people can start getting ready for the colder weather.

This is really like a lab experiment in the real world. This is an attempt to understand how hydrogen-power vehicles refuel and work.

Until divers go down and actually examine the rigs and engineers can make estimates on the repair times, we just won't know.