[Southack]

"What about grain shipments etc down the Mississippi?"

Trucks and trains can handle the transport switch. Roads and rails are still quite viable.

The key problem is the short-term lack of refinery capacity for fuel. We've got everything else covered in the big picture, save for regional disruptions (e.g. search and rescue for people).

[Travis McGee]

Bush calling a waiver on regional fuel blend regs will be a big help, by making gasoline and diesel a fungible commodity again.