"Perhaps you ought to read both what I was responding to and what I posted before commenting."
You were responding to me, so I do have a passing familiarity, lol.
If cost were the sole or even primary consideration, the US would export very little.
Energy costs comprise a far lower percentage of production costs now than during the energy "crisis" years of the 70s.
Wildly gyrating energy costs and unpredictable restrictions of supply are bad for business, too; we have been experiencing this since late summer.
The current "system" is very vulnerable, and we've witnessed the rapidity with which supply can be almost totally disrupted. A greater domestic source of supply, whether that supply is from ANWR, oil shale, coal or something else is a bit of a sideshow. Any one of these, or a combination thereof, would suffice.